32002100020 has 48 divisors (see below), whose sum is σ = 73381529088. Its totient is φ = 11626392960.

The previous prime is 32002099991. The next prime is 32002100023. The reversal of 32002100020 is 2000120023.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32002100023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173917 + ... + 307003.

It is an arithmetic number, because the mean of its divisors is an integer number (1528781856).

Almost surely, 2^32002100020 is an apocalyptic number.

It is an amenable number.

32002100020 is an abundant number, since it is smaller than the sum of its proper divisors (41379429068).

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

32002100020 is a wasteful number, since it uses less digits than its factorization.

32002100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134200 (or 134198 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 32002100020 its reverse (2000120023), we get a palindrome (34002220043).

The spelling of 32002100020 in words is "thirty-two billion, two million, one hundred thousand, twenty".