20302404308 has 24 divisors (see below), whose sum is σ = 36691463424. Its totient is φ = 9819417600.

The previous prime is 20302404259. The next prime is 20302404329. The reversal of 20302404308 is 80340420302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256148 + ... + 325908.

It is an arithmetic number, because the mean of its divisors is an integer number (1528810976).

Almost surely, 2^20302404308 is an apocalyptic number.

It is an amenable number.

20302404308 is a deficient number, since it is larger than the sum of its proper divisors (16389059116).

20302404308 is a wasteful number, since it uses less digits than its factorization.

20302404308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72143 (or 72141 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 20302404308 in words is "twenty billion, three hundred two million, four hundred four thousand, three hundred eight".