32147377020 has 72 divisors (see below), whose sum is σ = 106378599600. Its totient is φ = 7793303040.

The previous prime is 32147376997. The next prime is 32147377039. The reversal of 32147377020 is 2077374123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 8116045 + ... + 8120004.

It is an arithmetic number, because the mean of its divisors is an integer number (1477480550).

Almost surely, 2^32147377020 is an apocalyptic number.

32147377020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32147377020 is an abundant number, since it is smaller than the sum of its proper divisors (74231222580).

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

32147377020 is a wasteful number, since it uses less digits than its factorization.

32147377020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16236075 (or 16236070 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The spelling of 32147377020 in words is "thirty-two billion, one hundred forty-seven million, three hundred seventy-seven thousand, twenty".