20102211196 has 12 divisors (see below), whose sum is σ = 35775122040. Its totient is φ = 9880747760.

The previous prime is 20102211193. The next prime is 20102211203. The reversal of 20102211196 is 69111220102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20102211196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102211193) 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, 42589195 + ... + 42589666.

It is an arithmetic number, because the mean of its divisors is an integer number (2981260170).

Almost surely, 2^20102211196 is an apocalyptic number.

It is an amenable number.

20102211196 is a deficient number, since it is larger than the sum of its proper divisors (15672910844).

20102211196 is a wasteful number, since it uses less digits than its factorization.

20102211196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85178924 (or 85178922 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 20102211196 its reverse (69111220102), we get a palindrome (89213431298).

The spelling of 20102211196 in words is "twenty billion, one hundred two million, two hundred eleven thousand, one hundred ninety-six".