32020638 has 32 divisors (see below), whose sum is σ = 70578816. Its totient is φ = 9622368.

The previous prime is 32020633. The next prime is 32020661. The reversal of 32020638 is 83602023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32020633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (2205588).

Almost surely, 2^32020638 is an apocalyptic number.

32020638 is an abundant number, since it is smaller than the sum of its proper divisors (38558178).

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

32020638 is a wasteful number, since it uses less digits than its factorization.

32020638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9608.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 32020638 is about 5658.6781141889. The cubic root of 32020638 is about 317.5484473573.

The spelling of 32020638 in words is "thirty-two million, twenty thousand, six hundred thirty-eight".