20112453726568 has 32 divisors (see below), whose sum is σ = 43257148796160. Its totient is φ = 8587816292160.

The previous prime is 20112453726557. The next prime is 20112453726577. The reversal of 20112453726568 is 86562735421102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662624971 + ... + 662655322.

It is an arithmetic number, because the mean of its divisors is an integer number (1351785899880).

Almost surely, 2^{20112453726568} is an apocalyptic number.

20112453726568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20112453726568 is an abundant number, since it is smaller than the sum of its proper divisors (23144695069592).

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

20112453726568 is a wasteful number, since it uses less digits than its factorization.

20112453726568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325280577 (or 1325280573 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 20112453726568 in words is "twenty trillion, one hundred twelve billion, four hundred fifty-three million, seven hundred twenty-six thousand, five hundred sixty-eight".