2020100102100 has 144 divisors (see below), whose sum is σ = 6521196922240. Its totient is φ = 536457945600.

The previous prime is 2020100102029. The next prime is 2020100102203. The reversal of 2020100102100 is 12010010202.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 901552 + ... + 2202951.

Almost surely, 2^{2020100102100} is an apocalyptic number.

2020100102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020100102100 is an abundant number, since it is smaller than the sum of its proper divisors (4501096820140).

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

2020100102100 is a wasteful number, since it uses less digits than its factorization.

2020100102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104767 (or 3104754 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2020100102100 its reverse (12010010202), we get a palindrome (2032110112302).

The spelling of 2020100102100 in words is "two trillion, twenty billion, one hundred million, one hundred two thousand, one hundred".