32020100240 has 20 divisors (see below), whose sum is σ = 74446733244. Its totient is φ = 12808040064.

The previous prime is 32020100221. The next prime is 32020100243. The reversal of 32020100240 is 4200102023.

It can be written as a sum of positive squares in 2 ways, for example, as 24176518144 + 7843582096 = 155488^2 + 88564^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (32020100243) 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, 200125547 + ... + 200125706.

Almost surely, 2^32020100240 is an apocalyptic number.

It is an amenable number.

32020100240 is an abundant number, since it is smaller than the sum of its proper divisors (42426633004).

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

32020100240 is a wasteful number, since it uses less digits than its factorization.

32020100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400251266 (or 400251260 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 32020100240 its reverse (4200102023), we get a palindrome (36220202263).

The spelling of 32020100240 in words is "thirty-two billion, twenty million, one hundred thousand, two hundred forty".