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20200202012010 = 23537241439172009
BaseRepresentation
bin1001001011111001110011…
…10111011000010101101010
32122112010020210212110112110
410211330321313120111222
510121430003203341020
6110543502242023150
74153262560033116
oct445747167302552
978463223773473
1020200202012010
116488948465909
122322b26947ab6
13b36b42412c37
144db9a30c6746
152506c0e108e0
hex125f39dd856a

20200202012010 has 128 divisors (see below), whose sum is σ = 50111549452800. Its totient is φ = 5207466516480.

The previous prime is 20200202011999. The next prime is 20200202012057. The reversal of 20200202012010 is 1021020200202.

It is a super-2 number, since 2×202002020120102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117350886 + ... + 117522894.

It is an arithmetic number, because the mean of its divisors is an integer number (391496480100).

Almost surely, 220200202012010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200202012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25055774726400).

20200202012010 is an abundant number, since it is smaller than the sum of its proper divisors (29911347440790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200202012010 is a wasteful number, since it uses less digits than its factorization.

20200202012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172736.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20200202012010 its reverse (1021020200202), we get a palindrome (21221222212212).

The spelling of 20200202012010 in words is "twenty trillion, two hundred billion, two hundred two million, twelve thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 241 370 439 482 555 723 878 1110 1205 1317 1446 2195 2410 2634 3615 4390 6585 7230 8917 13170 16243 17834 26751 32486 44585 48729 53502 81215 89170 97458 105799 133755 162430 172009 211598 243645 267510 317397 344018 487290 516027 528995 634794 860045 1032054 1057990 1586985 1720090 2580135 3173970 3914563 5160270 6364333 7829126 11743689 12728666 19092999 19572815 23487378 31821665 38185998 39145630 41454169 58718445 63643330 75511951 82908338 95464995 117436890 124362507 151023902 190929990 207270845 226535853 248725014 377559755 414541690 453071706 621812535 755119510 1132679265 1243625070 1533804253 2265358530 2793942187 3067608506 4601412759 5587884374 7669021265 8381826561 9202825518 13969710935 15338042530 16763653122 18198380191 23007063795 27939421870 36396760382 41909132805 46014127590 54595140573 83818265610 90991900955 109190281146 181983801910 272975702865 545951405730 673340067067 1346680134134 2020020201201 3366700335335 4040040402402 6733400670670 10100101006005 20200202012010