23326540020 has 72 divisors (see below), whose sum is σ = 80865343104. Its totient is φ = 5331780288.

The previous prime is 23326540019. The next prime is 23326540043. The reversal of 23326540020 is 2004562332.

23326540020 is a `hidden beast` number, since 2 + 3 + 3 + 2 + 654 + 0 + 0 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9255304 + ... + 9257823.

Almost surely, 2^23326540020 is an apocalyptic number.

23326540020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23326540020 is an abundant number, since it is smaller than the sum of its proper divisors (57538803084).

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

23326540020 is a wasteful number, since it uses less digits than its factorization.

23326540020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18513149 (or 18513144 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The spelling of 23326540020 in words is "twenty-three billion, three hundred twenty-six million, five hundred forty thousand, twenty".