20112000100002 has 24 divisors (see below), whose sum is σ = 43797198195036. Its totient is φ = 6669969575136.

The previous prime is 20112000099973. The next prime is 20112000100019. The reversal of 20112000100002 is 20000100021102.

It can be written as a sum of positive squares in 2 ways, for example, as 18325342817721 + 1786657282281 = 4280811^2 + 1336659^2 .

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, 2835867873 + ... + 2835874964.

Almost surely, 2^{20112000100002} is an apocalyptic number.

20112000100002 is an abundant number, since it is smaller than the sum of its proper divisors (23685198095034).

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

20112000100002 is a wasteful number, since it uses less digits than its factorization.

20112000100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671743042 (or 5671743039 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20112000100002 its reverse (20000100021102), we get a palindrome (40112100121104).

The spelling of 20112000100002 in words is "twenty trillion, one hundred twelve billion, one hundred thousand, two".