23101100020 has 48 divisors (see below), whose sum is σ = 48888544320. Its totient is φ = 9168961536.

The previous prime is 23101100003. The next prime is 23101100039. The reversal of 23101100020 is 2000110132.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 2142964 + ... + 2153716.

It is an arithmetic number, because the mean of its divisors is an integer number (1018511340).

Almost surely, 2^23101100020 is an apocalyptic number.

23101100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23101100020 is an abundant number, since it is smaller than the sum of its proper divisors (25787444300).

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

23101100020 is a wasteful number, since it uses less digits than its factorization.

23101100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11584 (or 11582 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 23101100020 its reverse (2000110132), we get a palindrome (25101210152).

The spelling of 23101100020 in words is "twenty-three billion, one hundred one million, one hundred thousand, twenty".