20102020222100 has 36 divisors (see below), whose sum is σ = 43622598370848. Its totient is φ = 8040584220000.

The previous prime is 20102020222093. The next prime is 20102020222169. The reversal of 20102020222100 is 122202020102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 834815 + ... + 6395385.

Almost surely, 2^{20102020222100} is an apocalyptic number.

20102020222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102020222100 is an abundant number, since it is smaller than the sum of its proper divisors (23520578148748).

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

20102020222100 is a wasteful number, since it uses less digits than its factorization.

20102020222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596736 (or 5596729 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20102020222100 its reverse (122202020102), we get a palindrome (20224222242202).

The spelling of 20102020222100 in words is "twenty trillion, one hundred two billion, twenty million, two hundred twenty-two thousand, one hundred".