20423034304 has 14 divisors (see below), whose sum is σ = 40526958824. Its totient is φ = 10211517120.

The previous prime is 20423034293. The next prime is 20423034347. The reversal of 20423034304 is 40343032402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159554892 + ... + 159555019.

Almost surely, 2^20423034304 is an apocalyptic number.

It is an amenable number.

20423034304 is a deficient number, since it is larger than the sum of its proper divisors (20103924520).

20423034304 is an equidigital number, since it uses as much as digits as its factorization.

20423034304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319109923 (or 319109913 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20423034304 its reverse (40343032402), we get a palindrome (60766066706).

The spelling of 20423034304 in words is "twenty billion, four hundred twenty-three million, thirty-four thousand, three hundred four".