20562048735564 has 24 divisors (see below), whose sum is σ = 54832129961728. Its totient is φ = 5874871067280.

The previous prime is 20562048735541. The next prime is 20562048735581. The reversal of 20562048735564 is 46553784026502.

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 7 ways as a sum of consecutive naturals, for example, 122393147152 + ... + 122393147319.

Almost surely, 2^{20562048735564} is an apocalyptic number.

It is an amenable number.

20562048735564 is an abundant number, since it is smaller than the sum of its proper divisors (34270081226164).

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

20562048735564 is a wasteful number, since it uses less digits than its factorization.

20562048735564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244786294485 (or 244786294483 counting only the distinct ones).

The product of its (nonzero) digits is 48384000, while the sum is 57.

The spelling of 20562048735564 in words is "twenty trillion, five hundred sixty-two billion, forty-eight million, seven hundred thirty-five thousand, five hundred sixty-four".