30520364 has 12 divisors (see below), whose sum is σ = 61040784. Its totient is φ = 13080144.

The previous prime is 30520339. The next prime is 30520367. The reversal of 30520364 is 46302503.

30520364 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30520367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544979 + ... + 545034.

It is an arithmetic number, because the mean of its divisors is an integer number (5086732).

Almost surely, 2^30520364 is an apocalyptic number.

It is an amenable number.

30520364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30520364 is a wasteful number, since it uses less digits than its factorization.

30520364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090024 (or 1090022 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30520364 is about 5524.5238708870. The cubic root of 30520364 is about 312.5095088307.

Adding to 30520364 its reverse (46302503), we get a palindrome (76822867).

The spelling of 30520364 in words is "thirty million, five hundred twenty thousand, three hundred sixty-four".