30441920 has 28 divisors (see below), whose sum is σ = 72490584. Its totient is φ = 12176640.

The previous prime is 30441899. The next prime is 30441941. The reversal of 30441920 is 2914403.

It is an interprime number because it is at equal distance from previous prime (30441899) and next prime (30441941).

It is a congruent number.

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, 47246 + ... + 47885.

Almost surely, 2^30441920 is an apocalyptic number.

It is an amenable number.

30441920 is an abundant number, since it is smaller than the sum of its proper divisors (42048664).

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

30441920 is an equidigital number, since it uses as much as digits as its factorization.

30441920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95148 (or 95138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30441920 is about 5517.4196867739. The cubic root of 30441920 is about 312.2415398937.

It can be divided in two parts, 304 and 41920, that added together give a palindrome (42224).

The spelling of 30441920 in words is "thirty million, four hundred forty-one thousand, nine hundred twenty".