20202012122202 has 48 divisors (see below), whose sum is σ = 44448626706120. Its totient is φ = 6630494544000.

The previous prime is 20202012122189. The next prime is 20202012122239. The reversal of 20202012122202 is 20222121020202.

It can be written as a sum of positive squares in 4 ways, for example, as 15148917249921 + 5053094872281 = 3892161^2 + 2247909^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30367677 + ... + 31025792.

Almost surely, 2^{20202012122202} is an apocalyptic number.

20202012122202 is an abundant number, since it is smaller than the sum of its proper divisors (24246614583918).

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

20202012122202 is a wasteful number, since it uses less digits than its factorization.

20202012122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61393759 (or 61393756 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20202012122202 its reverse (20222121020202), we get a palindrome (40424133142404).

The spelling of 20202012122202 in words is "twenty trillion, two hundred two billion, twelve million, one hundred twenty-two thousand, two hundred two".