32020646232 has 128 divisors (see below), whose sum is σ = 83802470400. Its totient is φ = 10184140800.

The previous prime is 32020646209. The next prime is 32020646233. The reversal of 32020646232 is 23264602023.

It is a super-2 number, since 2×32020646232² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32020646232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020646233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19184694 + ... + 19186362.

It is an arithmetic number, because the mean of its divisors is an integer number (654706800).

Almost surely, 2^32020646232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32020646232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41901235200).

32020646232 is an abundant number, since it is smaller than the sum of its proper divisors (51781824168).

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

32020646232 is a wasteful number, since it uses less digits than its factorization.

32020646232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 32020646232 in words is "thirty-two billion, twenty million, six hundred forty-six thousand, two hundred thirty-two".