20002200102 has 160 divisors (see below), whose sum is σ = 51231787200. Its totient is φ = 5794854912.

The previous prime is 20002200077. The next prime is 20002200149. The reversal of 20002200102 is 20100220002.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1831474 + ... + 1842362.

It is an arithmetic number, because the mean of its divisors is an integer number (320198670).

Almost surely, 2^20002200102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002200102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25615893600).

20002200102 is an abundant number, since it is smaller than the sum of its proper divisors (31229587098).

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

20002200102 is a wasteful number, since it uses less digits than its factorization.

20002200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10963 counting only the distinct ones).

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

Adding to 20002200102 its reverse (20100220002), we get a palindrome (40102420104).

The spelling of 20002200102 in words is "twenty billion, two million, two hundred thousand, one hundred two".