20926563440652 has 36 divisors (see below), whose sum is σ = 53248017951856. Its totient is φ = 6929325640800.

The previous prime is 20926563440609. The next prime is 20926563440677. The reversal of 20926563440652 is 25604436562902.

20926563440652 is a `hidden beast` number, since 2 + 0 + 9 + 26 + 563 + 4 + 4 + 0 + 6 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1924807243 + ... + 1924818114.

Almost surely, 2^{20926563440652} is an apocalyptic number.

It is an amenable number.

20926563440652 is an abundant number, since it is smaller than the sum of its proper divisors (32321454511204).

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

20926563440652 is a wasteful number, since it uses less digits than its factorization.

20926563440652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849625518 (or 3849625513 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 20926563440652 in words is "twenty trillion, nine hundred twenty-six billion, five hundred sixty-three million, four hundred forty thousand, six hundred fifty-two".