30520104 has 16 divisors (see below), whose sum is σ = 76300320. Its totient is φ = 10173360.

The previous prime is 30520097. The next prime is 30520111. The reversal of 30520104 is 40102503.

It is an interprime number because it is at equal distance from previous prime (30520097) and next prime (30520111).

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, 635812 + ... + 635859.

It is an arithmetic number, because the mean of its divisors is an integer number (4768770).

Almost surely, 2^30520104 is an apocalyptic number.

It is an amenable number.

30520104 is an abundant number, since it is smaller than the sum of its proper divisors (45780216).

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

30520104 is a wasteful number, since it uses less digits than its factorization.

30520104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271680 (or 1271676 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30520104 is about 5524.5003393972. The cubic root of 30520104 is about 312.5086214155.

Adding to 30520104 its reverse (40102503), we get a palindrome (70622607).

The spelling of 30520104 in words is "thirty million, five hundred twenty thousand, one hundred four".