32002020213320 has 64 divisors (see below), whose sum is σ = 72324491382000. Its totient is φ = 12744049471488.

The previous prime is 32002020213311. The next prime is 32002020213323. The reversal of 32002020213320 is 2331202020023.

It can be written as a sum of positive squares in 8 ways, for example, as 12553373369476 + 19448646843844 = 3543074^2 + 4410062^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32002020213292 and 32002020213301.

It is not an unprimeable number, because it can be changed into a prime (32002020213323) 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, 6604676 + ... + 10374284.

Almost surely, 2^{32002020213320} is an apocalyptic number.

It is an amenable number.

32002020213320 is an abundant number, since it is smaller than the sum of its proper divisors (40322471168680).

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

32002020213320 is a wasteful number, since it uses less digits than its factorization.

32002020213320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770562 (or 3770558 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32002020213320 its reverse (2331202020023), we get a palindrome (34333222233343).

The spelling of 32002020213320 in words is "thirty-two trillion, two billion, twenty million, two hundred thirteen thousand, three hundred twenty".