23003020020 has 24 divisors (see below), whose sum is σ = 64408456224. Its totient is φ = 6134138656.

The previous prime is 23003020009. The next prime is 23003020069. The reversal of 23003020020 is 2002030032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 23003019978 and 23003020005.

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 7 ways as a sum of consecutive naturals, for example, 191691774 + ... + 191691893.

It is an arithmetic number, because the mean of its divisors is an integer number (2683685676).

Almost surely, 2^23003020020 is an apocalyptic number.

23003020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003020020 is an abundant number, since it is smaller than the sum of its proper divisors (41405436204).

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

23003020020 is a wasteful number, since it uses less digits than its factorization.

23003020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383383679 (or 383383677 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 23003020020 its reverse (2002030032), we get a palindrome (25005050052).

The spelling of 23003020020 in words is "twenty-three billion, three million, twenty thousand, twenty".