20112212020202 has 8 divisors (see below), whose sum is σ = 31942924973316. Its totient is φ = 9464570362432.

The previous prime is 20112212020183. The next prime is 20112212020249. The reversal of 20112212020202 is 20202021221102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19355345079841 + 756866940361 = 4399471^2 + 869981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20112212020202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295767823793 + ... + 295767823860.

Almost surely, 2^{20112212020202} is an apocalyptic number.

20112212020202 is a deficient number, since it is larger than the sum of its proper divisors (11830712953114).

20112212020202 is a wasteful number, since it uses less digits than its factorization.

20112212020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591535647672.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20112212020202 its reverse (20202021221102), we get a palindrome (40314233241304).

The spelling of 20112212020202 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, twenty thousand, two hundred two".