20112102202 has 8 divisors (see below), whose sum is σ = 30171632436. Its totient is φ = 10054891392.

The previous prime is 20112102193. The next prime is 20112102211. The reversal of 20112102202 is 20220121102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20112102193) and next prime (20112102211).

It can be written as a sum of positive squares in 2 ways, for example, as 18903775081 + 1208327121 = 137491^2 + 34761^2 .

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

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, 558013 + ... + 592960.

Almost surely, 2^20112102202 is an apocalyptic number.

20112102202 is a deficient number, since it is larger than the sum of its proper divisors (10059530234).

20112102202 is a wasteful number, since it uses less digits than its factorization.

20112102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159712.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20112102202 its reverse (20220121102), we get a palindrome (40332223304).

The spelling of 20112102202 in words is "twenty billion, one hundred twelve million, one hundred two thousand, two hundred two".