23102220020 has 48 divisors (see below), whose sum is σ = 53013744000. Its totient is φ = 8386734720.

The previous prime is 23102219999. The next prime is 23102220161. The reversal of 23102220020 is 2002220132.

It is a junction number, because it is equal to n+sod(n) for n = 23102219977 and 23102220004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44126 + ... + 219434.

It is an arithmetic number, because the mean of its divisors is an integer number (1104453000).

Almost surely, 2^23102220020 is an apocalyptic number.

23102220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23102220020 is an abundant number, since it is smaller than the sum of its proper divisors (29911523980).

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

23102220020 is a wasteful number, since it uses less digits than its factorization.

23102220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175928 (or 175926 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 23102220020 its reverse (2002220132), we get a palindrome (25104440152).

The spelling of 23102220020 in words is "twenty-three billion, one hundred two million, two hundred twenty thousand, twenty".