32020019982 has 64 divisors (see below), whose sum is σ = 72345450240. Its totient is φ = 10495428768.

The previous prime is 32020019929. The next prime is 32020019989. The reversal of 32020019982 is 28991002023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020019989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2116228 + ... + 2131304.

It is an arithmetic number, because the mean of its divisors is an integer number (1130397660).

Almost surely, 2^32020019982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32020019982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36172725120).

32020019982 is an abundant number, since it is smaller than the sum of its proper divisors (40325430258).

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

32020019982 is a wasteful number, since it uses less digits than its factorization.

32020019982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15742 (or 15736 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 32020019982 in words is "thirty-two billion, twenty million, nineteen thousand, nine hundred eighty-two".