187245020 has 12 divisors (see below), whose sum is σ = 393214584. Its totient is φ = 74898000.

The previous prime is 187245013. The next prime is 187245041. The reversal of 187245020 is 20542781.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4681106 + ... + 4681145.

It is an arithmetic number, because the mean of its divisors is an integer number (32767882).

Almost surely, 2^187245020 is an apocalyptic number.

187245020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187245020 is an abundant number, since it is smaller than the sum of its proper divisors (205969564).

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

187245020 is a wasteful number, since it uses less digits than its factorization.

187245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362260 (or 9362258 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 187245020 is about 13683.7502169544. The cubic root of 187245020 is about 572.0975553693.

The spelling of 187245020 in words is "one hundred eighty-seven million, two hundred forty-five thousand, twenty".