20232055240 has 32 divisors (see below), whose sum is σ = 45668525760. Its totient is φ = 8066795200.

The previous prime is 20232055229. The next prime is 20232055253. The reversal of 20232055240 is 4255023202.

It is a happy number.

It is a super-2 number, since 2×20232055240² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800746 + ... + 825625.

It is an arithmetic number, because the mean of its divisors is an integer number (1427141430).

Almost surely, 2^20232055240 is an apocalyptic number.

20232055240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20232055240 is an abundant number, since it is smaller than the sum of its proper divisors (25436470520).

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

20232055240 is a wasteful number, since it uses less digits than its factorization.

20232055240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626693 (or 1626689 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20232055240 its reverse (4255023202), we get a palindrome (24487078442).

The spelling of 20232055240 in words is "twenty billion, two hundred thirty-two million, fifty-five thousand, two hundred forty".