23321002012020 has 96 divisors (see below), whose sum is σ = 73272587351040. Its totient is φ = 6157360252800.

The previous prime is 23321002012019. The next prime is 23321002012031. The reversal of 23321002012020 is 2021020012332.

23321002012020 is a `hidden beast` number, since 233 + 210 + 0 + 20 + 1 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23321002011984 and 23321002012002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213742692 + ... + 213851771.

It is an arithmetic number, because the mean of its divisors is an integer number (763256118240).

Almost surely, 2^{23321002012020} is an apocalyptic number.

23321002012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23321002012020 is an abundant number, since it is smaller than the sum of its proper divisors (49951585339020).

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

23321002012020 is a wasteful number, since it uses less digits than its factorization.

23321002012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427594582 (or 427594574 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23321002012020 its reverse (2021020012332), we get a palindrome (25342022024352).

The spelling of 23321002012020 in words is "twenty-three trillion, three hundred twenty-one billion, two million, twelve thousand, twenty".