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20202000201992 = 2372487105822823
BaseRepresentation
bin1001001011111101001010…
…00010111011100100001000
32122112021220010110222110102
410211332211002323210020
510121442144022430432
6110544400515304532
74153355253301400
oct445764502734410
978467803428412
1020202000201992
1164896904a3634
122323348bab148
13b3706ab1b18b
144dbad3c4b800
15250778c0c962
hex125fa50bb908

20202000201992 has 48 divisors (see below), whose sum is σ = 44153515085760. Its totient is φ = 8640221770656.

The previous prime is 20202000201991. The next prime is 20202000202019. The reversal of 20202000201992 is 29910200020202.

It is a super-2 number, since 2×202020002019922 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202000201991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52720508 + ... + 53102315.

It is an arithmetic number, because the mean of its divisors is an integer number (919864897620).

Almost surely, 220202000201992 is an apocalyptic number.

It is an amenable number.

20202000201992 is an abundant number, since it is smaller than the sum of its proper divisors (23951514883768).

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

20202000201992 is a wasteful number, since it uses less digits than its factorization.

20202000201992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105823330 (or 105823319 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 20202000201992 in words is "twenty trillion, two hundred two billion, two hundred one thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 487 974 1948 3409 3896 6818 13636 23863 27272 47726 95452 190904 105822823 211645646 423291292 740759761 846582584 1481519522 2963039044 5185318327 5926078088 10370636654 20741273308 41482546616 51535714801 103071429602 206142859204 360750003607 412285718408 721500007214 1443000014428 2525250025249 2886000028856 5050500050498 10101000100996 20202000201992