20112220122202 has 24 divisors (see below), whose sum is σ = 33080994267840. Its totient is φ = 9165062322000.

The previous prime is 20112220122191. The next prime is 20112220122223. The reversal of 20112220122202 is 20222102221102.

It is a self number, because there is not a number n which added to its sum of digits gives 20112220122202.

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, 376578424 + ... + 376631827.

It is an arithmetic number, because the mean of its divisors is an integer number (1378374761160).

Almost surely, 2^{20112220122202} is an apocalyptic number.

20112220122202 is a deficient number, since it is larger than the sum of its proper divisors (12968774145638).

20112220122202 is a wasteful number, since it uses less digits than its factorization.

20112220122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753210358 (or 753210345 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20112220122202 its reverse (20222102221102), we get a palindrome (40334322343304).

The spelling of 20112220122202 in words is "twenty trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, two hundred two".