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20011202112200 = 23521319405085063
BaseRepresentation
bin1001000110011001110001…
…00101111110101011001000
32121212001102002012202201012
410203030320211332223020
510110330420220042300
6110321004102143052
74133522146300055
oct443147045765310
977761362182635
1020011202112200
1164157809a0802
1222b237b121a88
13b22082054bb0
144d2793d0002c
1524a80d54a435
hex12333897eac8

20011202112200 has 96 divisors (see below), whose sum is σ = 52742075332800. Its totient is φ = 6999869871360.

The previous prime is 20011202112157. The next prime is 20011202112203. The reversal of 20011202112200 is 221120211002.

It is not an unprimeable number, because it can be changed into a prime (20011202112203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202493132 + ... + 202591931.

It is an arithmetic number, because the mean of its divisors is an integer number (549396618050).

Almost surely, 220011202112200 is an apocalyptic number.

20011202112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011202112200 is an abundant number, since it is smaller than the sum of its proper divisors (32730873220600).

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

20011202112200 is a wasteful number, since it uses less digits than its factorization.

20011202112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405085111 (or 405085102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20011202112200 its reverse (221120211002), we get a palindrome (20232322323202).

The spelling of 20011202112200 in words is "twenty trillion, eleven billion, two hundred two million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 19 20 25 26 38 40 50 52 65 76 95 100 104 130 152 190 200 247 260 325 380 475 494 520 650 760 950 988 1235 1300 1900 1976 2470 2600 3800 4940 6175 9880 12350 24700 49400 405085063 810170126 1620340252 2025425315 3240680504 4050850630 5266105819 7696616197 8101701260 10127126575 10532211638 15393232394 16203402520 20254253150 21064423276 26330529095 30786464788 38483080985 40508506300 42128846552 52661058190 61572929576 76966161970 81017012600 100056010561 105322116380 131652645475 153932323940 192415404925 200112021122 210644232760 263305290950 307864647880 384830809850 400224042244 500280052805 526610581900 769661619700 800448084488 1000560105610 1053221163800 1539323239400 2001120211220 2501400264025 4002240422440 5002800528050 10005601056100 20011202112200