2020012002100 has 36 divisors (see below), whose sum is σ = 4383489962124. Its totient is φ = 807993018880.

The previous prime is 2020012002079. The next prime is 2020012002163. The reversal of 2020012002100 is 12002100202.

It can be written as a sum of positive squares in 6 ways, for example, as 76073362596 + 1943938639504 = 275814^2 + 1394252^2 .

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 11 ways as a sum of consecutive naturals, for example, 10774764 + ... + 10960636.

It is an arithmetic number, because the mean of its divisors is an integer number (121763610059).

Almost surely, 2^{2020012002100} is an apocalyptic number.

2020012002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020012002100 is an abundant number, since it is smaller than the sum of its proper divisors (2363477960024).

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

2020012002100 is a wasteful number, since it uses less digits than its factorization.

2020012002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294564 (or 294557 counting only the distinct ones).

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

Adding to 2020012002100 its reverse (12002100202), we get a palindrome (2032014102302).

The spelling of 2020012002100 in words is "two trillion, twenty billion, twelve million, two thousand, one hundred".