389130937020 has 72 divisors (see below), whose sum is σ = 1348987252704. Its totient is φ = 88944213888.

The previous prime is 389130936979. The next prime is 389130937051. The reversal of 389130937020 is 20739031983.

It is a super-2 number, since 2×389130937020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154415779 + ... + 154418298.

Almost surely, 2^389130937020 is an apocalyptic number.

389130937020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

389130937020 is an abundant number, since it is smaller than the sum of its proper divisors (959856315684).

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

389130937020 is a wasteful number, since it uses less digits than its factorization.

389130937020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308834099 (or 308834094 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

It can be divided in two parts, 3891 and 30937020, that added together give a triangular number (30940911 = T₇₈₆₆).

The spelling of 389130937020 in words is "three hundred eighty-nine billion, one hundred thirty million, nine hundred thirty-seven thousand, twenty".