20202112102 has 64 divisors (see below), whose sum is σ = 32959872000. Its totient is φ = 9258043392.

The previous prime is 20202112043. The next prime is 20202112127. The reversal of 20202112102 is 20121120202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35012038 + ... + 35012614.

It is an arithmetic number, because the mean of its divisors is an integer number (514998000).

Almost surely, 2^20202112102 is an apocalyptic number.

20202112102 is a deficient number, since it is larger than the sum of its proper divisors (12757759898).

20202112102 is a wasteful number, since it uses less digits than its factorization.

20202112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

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

Adding to 20202112102 its reverse (20121120202), we get a palindrome (40323232304).

The spelling of 20202112102 in words is "twenty billion, two hundred two million, one hundred twelve thousand, one hundred two".