20212102696 has 16 divisors (see below), whose sum is σ = 37990358100. Its totient is φ = 10081340544.

The previous prime is 20212102681. The next prime is 20212102697. The reversal of 20212102696 is 69620121202.

It can be written as a sum of positive squares in 2 ways, for example, as 15314062500 + 4898040196 = 123750^2 + 69986^2 .

It is not an unprimeable number, because it can be changed into a prime (20212102697) 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, 3085375 + ... + 3091918.

Almost surely, 2^20212102696 is an apocalyptic number.

It is an amenable number.

20212102696 is a deficient number, since it is larger than the sum of its proper divisors (17778255404).

20212102696 is a wasteful number, since it uses less digits than its factorization.

20212102696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177708 (or 6177704 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 20212102696 its reverse (69620121202), we get a palindrome (89832223898).

The spelling of 20212102696 in words is "twenty billion, two hundred twelve million, one hundred two thousand, six hundred ninety-six".