20020200102100 has 144 divisors (see below), whose sum is σ = 50506063405056. Its totient is φ = 6815386864000.

The previous prime is 20020200102043. The next prime is 20020200102137. The reversal of 20020200102100 is 120100202002.

20020200102100 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7229116 + ... + 9607315.

It is an arithmetic number, because the mean of its divisors is an integer number (350736551424).

Almost surely, 2^{20020200102100} is an apocalyptic number.

20020200102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020200102100 is an abundant number, since it is smaller than the sum of its proper divisors (30485863302956).

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

20020200102100 is a wasteful number, since it uses less digits than its factorization.

20020200102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16836526 (or 16836519 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20020200102100 its reverse (120100202002), we get a palindrome (20140300304102).

The spelling of 20020200102100 in words is "twenty trillion, twenty billion, two hundred million, one hundred two thousand, one hundred".