220002001000002 has 24 divisors (see below), whose sum is σ = 513338002333884. Its totient is φ = 67692923384544.

The previous prime is 220002000999917. The next prime is 220002001000013. The reversal of 220002001000002 is 200000100200022.

It can be written as a sum of positive squares in 2 ways, for example, as 219254919093081 + 747081906921 = 14807259^2 + 864339^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 470089745493 + ... + 470089745960.

Almost surely, 2^{220002001000002} is an apocalyptic number.

220002001000002 is an abundant number, since it is smaller than the sum of its proper divisors (293336001333882).

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

220002001000002 is a wasteful number, since it uses less digits than its factorization.

220002001000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940179491474 (or 940179491471 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 220002001000002 its reverse (200000100200022), we get a palindrome (420002101200024).

The spelling of 220002001000002 in words is "two hundred twenty trillion, two billion, one million, two", and thus it is an aban number.