20332321002 has 64 divisors (see below), whose sum is σ = 54355430400. Its totient is φ = 5503483440.

The previous prime is 20332320997. The next prime is 20332321003. The reversal of 20332321002 is 20012323302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20332321003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408324 + ... + 1422687.

It is an arithmetic number, because the mean of its divisors is an integer number (849303600).

Almost surely, 2^20332321002 is an apocalyptic number.

20332321002 is an abundant number, since it is smaller than the sum of its proper divisors (34023109398).

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

20332321002 is a wasteful number, since it uses less digits than its factorization.

20332321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831048 (or 2831042 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20332321002 its reverse (20012323302), we get a palindrome (40344644304).

The spelling of 20332321002 in words is "twenty billion, three hundred thirty-two million, three hundred twenty-one thousand, two".