20002210012112 has 20 divisors (see below), whose sum is σ = 40090636447620. Its totient is φ = 9656239315968.

The previous prime is 20002210012111. The next prime is 20002210012123. The reversal of 20002210012112 is 21121001220002.

It can be written as a sum of positive squares in 2 ways, for example, as 8044280027536 + 11957929984576 = 2836244^2 + 3458024^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002210012111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21554105153 + ... + 21554106080.

It is an arithmetic number, because the mean of its divisors is an integer number (2004531822381).

Almost surely, 2^{20002210012112} is an apocalyptic number.

It is an amenable number.

20002210012112 is an abundant number, since it is smaller than the sum of its proper divisors (20088426435508).

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

20002210012112 is a wasteful number, since it uses less digits than its factorization.

20002210012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43108211270 (or 43108211264 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20002210012112 its reverse (21121001220002), we get a palindrome (41123211232114).

The spelling of 20002210012112 in words is "twenty trillion, two billion, two hundred ten million, twelve thousand, one hundred twelve".