20002201002 has 24 divisors (see below), whose sum is σ = 49529259936. Its totient is φ = 5714914536.

The previous prime is 20002200991. The next prime is 20002201039. The reversal of 20002201002 is 20010220002.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79373688 + ... + 79373939.

It is an arithmetic number, because the mean of its divisors is an integer number (2063719164).

Almost surely, 2^20002201002 is an apocalyptic number.

20002201002 is an abundant number, since it is smaller than the sum of its proper divisors (29527058934).

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

20002201002 is a wasteful number, since it uses less digits than its factorization.

20002201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158747642 (or 158747639 counting only the distinct ones).

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

Adding to 20002201002 its reverse (20010220002), we get a palindrome (40012421004).

The spelling of 20002201002 in words is "twenty billion, two million, two hundred one thousand, two".