20123300204 has 36 divisors (see below), whose sum is σ = 41173314336. Its totient is φ = 8580477024.

The previous prime is 20123300189. The next prime is 20123300213. The reversal of 20123300204 is 40200332102.

It is a super-2 number, since 2×20123300204² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221972 + ... + 299195.

It is an arithmetic number, because the mean of its divisors is an integer number (1143703176).

Almost surely, 2^20123300204 is an apocalyptic number.

It is an amenable number.

20123300204 is an abundant number, since it is smaller than the sum of its proper divisors (21050014132).

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

20123300204 is a wasteful number, since it uses less digits than its factorization.

20123300204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521382 (or 521373 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20123300204 its reverse (40200332102), we get a palindrome (60323632306).

The spelling of 20123300204 in words is "twenty billion, one hundred twenty-three million, three hundred thousand, two hundred four".