20202440626656 has 96 divisors (see below), whose sum is σ = 59219885088000. Its totient is φ = 6700306884480.

The previous prime is 20202440626639. The next prime is 20202440626699. The reversal of 20202440626656 is 65662604420202.

20202440626656 is a `hidden beast` number, since 20 + 20 + 2 + 440 + 62 + 66 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58577950 + ... + 58921821.

It is an arithmetic number, because the mean of its divisors is an integer number (616873803000).

Almost surely, 2^{20202440626656} is an apocalyptic number.

It is an amenable number.

20202440626656 is an abundant number, since it is smaller than the sum of its proper divisors (39017444461344).

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

20202440626656 is a wasteful number, since it uses less digits than its factorization.

20202440626656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117499989 (or 117499975 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 20202440626656 in words is "twenty trillion, two hundred two billion, four hundred forty million, six hundred twenty-six thousand, six hundred fifty-six".