23103210020 has 144 divisors (see below), whose sum is σ = 54762462720. Its totient is φ = 8177283840.

The previous prime is 23103209971. The next prime is 23103210043. The reversal of 23103210020 is 2001230132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23103209977 and 23103210004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26046017 + ... + 26046903.

It is an arithmetic number, because the mean of its divisors is an integer number (380294880).

Almost surely, 2^23103210020 is an apocalyptic number.

23103210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23103210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27381231360).

23103210020 is an abundant number, since it is smaller than the sum of its proper divisors (31659252700).

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

23103210020 is a wasteful number, since it uses less digits than its factorization.

23103210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23103210020 its reverse (2001230132), we get a palindrome (25104440152).

The spelling of 23103210020 in words is "twenty-three billion, one hundred three million, two hundred ten thousand, twenty".