10123305220 has 24 divisors (see below), whose sum is σ = 24295932864. Its totient is φ = 3470847456.

The previous prime is 10123305139. The next prime is 10123305233. The reversal of 10123305220 is 2250332101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36154522 + ... + 36154801.

It is an arithmetic number, because the mean of its divisors is an integer number (1012330536).

Almost surely, 2^10123305220 is an apocalyptic number.

10123305220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123305220 is an abundant number, since it is smaller than the sum of its proper divisors (14172627644).

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

10123305220 is a wasteful number, since it uses less digits than its factorization.

10123305220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72309339 (or 72309337 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 10123305220 its reverse (2250332101), we get a palindrome (12373637321).

The spelling of 10123305220 in words is "ten billion, one hundred twenty-three million, three hundred five thousand, two hundred twenty".