30982020 has 48 divisors (see below), whose sum is σ = 89553408. Its totient is φ = 7994880.

The previous prime is 30982009. The next prime is 30982033. The reversal of 30982020 is 2028903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6469 + ... + 10188.

It is an arithmetic number, because the mean of its divisors is an integer number (1865696).

Almost surely, 2^30982020 is an apocalyptic number.

30982020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30982020 is an abundant number, since it is smaller than the sum of its proper divisors (58571388).

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

30982020 is a wasteful number, since it uses less digits than its factorization.

30982020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16700 (or 16698 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 30982020 is about 5566.1494769724. The cubic root of 30982020 is about 314.0773201343.

The spelling of 30982020 in words is "thirty million, nine hundred eighty-two thousand, twenty".