30852420 has 48 divisors (see below), whose sum is σ = 86831808. Its totient is φ = 8184960.

The previous prime is 30852391. The next prime is 30852427. The reversal of 30852420 is 2425803.

It is not an unprimeable number, because it can be changed into a prime (30852427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11442 + ... + 13878.

It is an arithmetic number, because the mean of its divisors is an integer number (1808996).

Almost surely, 2^30852420 is an apocalyptic number.

30852420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30852420 is an abundant number, since it is smaller than the sum of its proper divisors (55979388).

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

30852420 is a wasteful number, since it uses less digits than its factorization.

30852420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660 (or 2658 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 30852420 is about 5554.4954766387. The cubic root of 30852420 is about 313.6387721264.

The spelling of 30852420 in words is "thirty million, eight hundred fifty-two thousand, four hundred twenty".