20116645992762 has 64 divisors (see below), whose sum is σ = 46663297744896. Its totient is φ = 5720894653760.

The previous prime is 20116645992731. The next prime is 20116645992763. The reversal of 20116645992762 is 26729954661102.

It is a junction number, because it is equal to n+sod(n) for n = 20116645992696 and 20116645992705.

It is not an unprimeable number, because it can be changed into a prime (20116645992763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124939098 + ... + 125100005.

It is an arithmetic number, because the mean of its divisors is an integer number (729114027264).

Almost surely, 2^{20116645992762} is an apocalyptic number.

20116645992762 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20116645992762 is an abundant number, since it is smaller than the sum of its proper divisors (26546651752134).

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

20116645992762 is a wasteful number, since it uses less digits than its factorization.

20116645992762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250039195.

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 20116645992762 in words is "twenty trillion, one hundred sixteen billion, six hundred forty-five million, nine hundred ninety-two thousand, seven hundred sixty-two".