20202110102100 has 72 divisors (see below), whose sum is σ = 59030165765088. Its totient is φ = 5333890448000.

The previous prime is 20202110102099. The next prime is 20202110102123. The reversal of 20202110102100 is 120101120202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333337854 + ... + 333398453.

It is an arithmetic number, because the mean of its divisors is an integer number (819863413404).

Almost surely, 2^{20202110102100} is an apocalyptic number.

20202110102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202110102100 is an abundant number, since it is smaller than the sum of its proper divisors (38828055662988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20202110102100 is a wasteful number, since it uses less digits than its factorization.

20202110102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666736425 (or 666736418 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20202110102100 its reverse (120101120202), we get a palindrome (20322211222302).

The spelling of 20202110102100 in words is "twenty trillion, two hundred two billion, one hundred ten million, one hundred two thousand, one hundred".