20123001204 has 24 divisors (see below), whose sum is σ = 47839589280. Its totient is φ = 6581107104.

The previous prime is 20123001181. The next prime is 20123001211. The reversal of 20123001204 is 40210032102.

It is a congruent number.

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, 15819334 + ... + 15820605.

It is an arithmetic number, because the mean of its divisors is an integer number (1993316220).

Almost surely, 2^20123001204 is an apocalyptic number.

It is an amenable number.

20123001204 is an abundant number, since it is smaller than the sum of its proper divisors (27716588076).

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

20123001204 is a wasteful number, since it uses less digits than its factorization.

20123001204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31639999 (or 31639997 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20123001204 its reverse (40210032102), we get a palindrome (60333033306).

The spelling of 20123001204 in words is "twenty billion, one hundred twenty-three million, one thousand, two hundred four".