23010000020 has 48 divisors (see below), whose sum is σ = 55337560320. Its totient is φ = 7872920064.

The previous prime is 23009999959. The next prime is 23010000023. The reversal of 23010000020 is 2000001032.

It is a junction number, because it is equal to n+sod(n) for n = 23009999962 and 23010000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23010000023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100565 + ... + 236924.

It is an arithmetic number, because the mean of its divisors is an integer number (1152865840).

Almost surely, 2^23010000020 is an apocalyptic number.

23010000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23010000020 is an abundant number, since it is smaller than the sum of its proper divisors (32327560300).

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

23010000020 is a wasteful number, since it uses less digits than its factorization.

23010000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337992 (or 337990 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

Adding to 23010000020 its reverse (2000001032), we get a palindrome (25010001052).

The spelling of 23010000020 in words is "twenty-three billion, ten million, twenty", and thus it is an aban number and an uban number.