30339703920 has 40 divisors (see below), whose sum is σ = 94053082896. Its totient is φ = 8090587648.

The previous prime is 30339703913. The next prime is 30339703943. The reversal of 30339703920 is 2930793303.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63207477 + ... + 63207956.

Almost surely, 2^30339703920 is an apocalyptic number.

30339703920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30339703920 is an abundant number, since it is smaller than the sum of its proper divisors (63713378976).

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

30339703920 is a wasteful number, since it uses less digits than its factorization.

30339703920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126415449 (or 126415443 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 39.

The spelling of 30339703920 in words is "thirty billion, three hundred thirty-nine million, seven hundred three thousand, nine hundred twenty".