32138020 has 12 divisors (see below), whose sum is σ = 67489884. Its totient is φ = 12855200.

The previous prime is 32138011. The next prime is 32138023. The reversal of 32138020 is 2083123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18045504 + 14092516 = 4248^2 + 3754^2 .

It is not an unprimeable number, because it can be changed into a prime (32138023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803431 + ... + 803470.

It is an arithmetic number, because the mean of its divisors is an integer number (5624157).

Almost surely, 2^32138020 is an apocalyptic number.

It is an amenable number.

32138020 is an abundant number, since it is smaller than the sum of its proper divisors (35351864).

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

32138020 is a wasteful number, since it uses less digits than its factorization.

32138020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606910 (or 1606908 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 32138020 is about 5669.0404831858. The cubic root of 32138020 is about 317.9359996725.

The spelling of 32138020 in words is "thirty-two million, one hundred thirty-eight thousand, twenty".