20234572560 has 120 divisors (see below), whose sum is σ = 69611966424. Its totient is φ = 5264271360.

The previous prime is 20234572513. The next prime is 20234572597. The reversal of 20234572560 is 6527543202.

20234572560 is a `hidden beast` number, since 2 + 0 + 2 + 34 + 572 + 56 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6906384 + 20227666176 = 2628^2 + 142224^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 313207 + ... + 372246.

Almost surely, 2^20234572560 is an apocalyptic number.

20234572560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20234572560 is an abundant number, since it is smaller than the sum of its proper divisors (49377393864).

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

20234572560 is a wasteful number, since it uses less digits than its factorization.

20234572560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685513 (or 685504 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 20234572560 in words is "twenty billion, two hundred thirty-four million, five hundred seventy-two thousand, five hundred sixty".