20202110102 has 16 divisors (see below), whose sum is σ = 31444630272. Its totient is φ = 9727184040.

The previous prime is 20202110087. The next prime is 20202110143. The reversal of 20202110102 is 20101120202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648178 + ... + 1660389.

It is an arithmetic number, because the mean of its divisors is an integer number (1965289392).

Almost surely, 2^20202110102 is an apocalyptic number.

20202110102 is a deficient number, since it is larger than the sum of its proper divisors (11242520170).

20202110102 is a wasteful number, since it uses less digits than its factorization.

20202110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308683.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20202110102 its reverse (20101120202), we get a palindrome (40303230304).

The spelling of 20202110102 in words is "twenty billion, two hundred two million, one hundred ten thousand, one hundred two".