30038623220 has 24 divisors (see below), whose sum is σ = 64022620704. Its totient is φ = 11836113696.

The previous prime is 30038623187. The next prime is 30038623261. The reversal of 30038623220 is 2232683003.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11207102 + ... + 11209781.

It is an arithmetic number, because the mean of its divisors is an integer number (2667609196).

Almost surely, 2^30038623220 is an apocalyptic number.

It is an amenable number.

30038623220 is an abundant number, since it is smaller than the sum of its proper divisors (33983997484).

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

30038623220 is a wasteful number, since it uses less digits than its factorization.

30038623220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416959 (or 22416957 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 30038623220 in words is "thirty billion, thirty-eight million, six hundred twenty-three thousand, two hundred twenty".