189707020 has 24 divisors (see below), whose sum is σ = 419353200. Its totient is φ = 71888832.

The previous prime is 189707017. The next prime is 189707047. The reversal of 189707020 is 20707981.

189707020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249235 + ... + 249994.

It is an arithmetic number, because the mean of its divisors is an integer number (17473050).

Almost surely, 2^189707020 is an apocalyptic number.

189707020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189707020 is an abundant number, since it is smaller than the sum of its proper divisors (229646180).

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

189707020 is a wasteful number, since it uses less digits than its factorization.

189707020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499257 (or 499255 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 189707020 is about 13773.4171504387. The cubic root of 189707020 is about 574.5940625708.

The spelling of 189707020 in words is "one hundred eighty-nine million, seven hundred seven thousand, twenty".