32020012100 has 18 divisors (see below), whose sum is σ = 69483426474. Its totient is φ = 12808004800.

The previous prime is 32020012099. The next prime is 32020012103. The reversal of 32020012100 is 121002023.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5742305284 + 26277706816 = 75778^2 + 162104^2 .

It is not an unprimeable number, because it can be changed into a prime (32020012103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160099961 + ... + 160100160.

Almost surely, 2^32020012100 is an apocalyptic number.

It is an amenable number.

32020012100 is an abundant number, since it is smaller than the sum of its proper divisors (37463414374).

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

32020012100 is a wasteful number, since it uses less digits than its factorization.

32020012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320200135 (or 320200128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 32020012100 its reverse (121002023), we get a palindrome (32141014123).

The spelling of 32020012100 in words is "thirty-two billion, twenty million, twelve thousand, one hundred".