220321330002 has 24 divisors (see below), whose sum is σ = 485188505100. Its totient is φ = 72236501280.

The previous prime is 220321329959. The next prime is 220321330013. The reversal of 220321330002 is 200033123022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 174974053401 + 45347276601 = 418299^2 + 212949^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100327377 + ... + 100329572.

Almost surely, 2^220321330002 is an apocalyptic number.

220321330002 is an abundant number, since it is smaller than the sum of its proper divisors (264867175098).

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

220321330002 is a wasteful number, since it uses less digits than its factorization.

220321330002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200657018 (or 200657015 counting only the distinct ones).

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

Adding to 220321330002 its reverse (200033123022), we get a palindrome (420354453024).

The spelling of 220321330002 in words is "two hundred twenty billion, three hundred twenty-one million, three hundred thirty thousand, two".