23210010020 has 48 divisors (see below), whose sum is σ = 49492332288. Its totient is φ = 9141031680.

The previous prime is 23210010013. The next prime is 23210010029. The reversal of 23210010020 is 2001001232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23210009983 and 23210010010.

It is not an unprimeable number, because it can be changed into a prime (23210010029) 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, 5198309 + ... + 5202771.

It is an arithmetic number, because the mean of its divisors is an integer number (1031090256).

Almost surely, 2^23210010020 is an apocalyptic number.

23210010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23210010020 is an abundant number, since it is smaller than the sum of its proper divisors (26282322268).

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

23210010020 is a wasteful number, since it uses less digits than its factorization.

23210010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8420 (or 8418 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 23210010020 its reverse (2001001232), we get a palindrome (25211011252).

The spelling of 23210010020 in words is "twenty-three billion, two hundred ten million, ten thousand, twenty".