32402413220 has 12 divisors (see below), whose sum is σ = 68045067804. Its totient is φ = 12960965280.

The previous prime is 32402413177. The next prime is 32402413229. The reversal of 32402413220 is 2231420423.

It can be written as a sum of positive squares in 2 ways, for example, as 3409859236 + 28992553984 = 58394^2 + 170272^2 .

It is not an unprimeable number, because it can be changed into a prime (32402413229) 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, 810060311 + ... + 810060350.

It is an arithmetic number, because the mean of its divisors is an integer number (5670422317).

Almost surely, 2^32402413220 is an apocalyptic number.

It is an amenable number.

32402413220 is an abundant number, since it is smaller than the sum of its proper divisors (35642654584).

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

32402413220 is a wasteful number, since it uses less digits than its factorization.

32402413220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620120670 (or 1620120668 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 32402413220 its reverse (2231420423), we get a palindrome (34633833643).

The spelling of 32402413220 in words is "thirty-two billion, four hundred two million, four hundred thirteen thousand, two hundred twenty".