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20023120100000 = 25553146114011
BaseRepresentation
bin1001000110101111111101…
…11101011111101010100000
32121220012011200000021110202
410203113332331133222200
510111024322221200000
6110330254442044332
74134423403440143
oct443277675375240
977805150007422
1020023120100000
11641a8373273a6
1222b47464a96a8
13b23231203494
144d31a4a9005a
1524aca99badd5
hex1235fef5faa0

20023120100000 has 288 divisors, whose sum is σ = 50975896333824. Its totient is φ = 7733520000000.

The previous prime is 20023120099993. The next prime is 20023120100017. The reversal of 20023120100000 is 102132002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1429092995 + ... + 1429107005.

It is an arithmetic number, because the mean of its divisors is an integer number (176999640048).

Almost surely, 220023120100000 is an apocalyptic number.

20023120100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20023120100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25487948166912).

20023120100000 is an abundant number, since it is smaller than the sum of its proper divisors (30952776233824).

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

20023120100000 is an equidigital number, since it uses as much as digits as its factorization.

20023120100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14538 (or 14510 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20023120100000 its reverse (102132002), we get a palindrome (20023222232002).

The spelling of 20023120100000 in words is "twenty trillion, twenty-three billion, one hundred twenty million, one hundred thousand".