20350320204 has 12 divisors (see below), whose sum is σ = 47484080504. Its totient is φ = 6783440064.

The previous prime is 20350320181. The next prime is 20350320247. The reversal of 20350320204 is 40202305302.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847929997 + ... + 847930020.

Almost surely, 2^20350320204 is an apocalyptic number.

It is an amenable number.

20350320204 is an abundant number, since it is smaller than the sum of its proper divisors (27133760300).

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

20350320204 is a wasteful number, since it uses less digits than its factorization.

20350320204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695860024 (or 1695860022 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

Adding to 20350320204 its reverse (40202305302), we get a palindrome (60552625506).

The spelling of 20350320204 in words is "twenty billion, three hundred fifty million, three hundred twenty thousand, two hundred four".