189375020 has 24 divisors (see below), whose sum is σ = 401408784. Its totient is φ = 75041216.

The previous prime is 189375007. The next prime is 189375029. The reversal of 189375020 is 20573981.

It is not an unprimeable number, because it can be changed into a prime (189375029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42107 + ... + 46386.

It is an arithmetic number, because the mean of its divisors is an integer number (16725366).

Almost surely, 2^189375020 is an apocalyptic number.

189375020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189375020 is an abundant number, since it is smaller than the sum of its proper divisors (212033764).

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

189375020 is a wasteful number, since it uses less digits than its factorization.

189375020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88609 (or 88607 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 189375020 is about 13761.3596711953. The cubic root of 189375020 is about 574.2586741368.

The spelling of 189375020 in words is "one hundred eighty-nine million, three hundred seventy-five thousand, twenty".