2020000020100 has 18 divisors (see below), whose sum is σ = 4383400043834. Its totient is φ = 808000008000.

The previous prime is 2020000020083. The next prime is 2020000020107. The reversal of 2020000020100 is 10200000202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 702408257604 + 1317591762496 = 838098^2 + 1147864^2 .

It is not an unprimeable number, because it can be changed into a prime (2020000020107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10100000001 + ... + 10100000200.

Almost surely, 2^{2020000020100} is an apocalyptic number.

2020000020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020000020100 is an abundant number, since it is smaller than the sum of its proper divisors (2363400023734).

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

2020000020100 is a wasteful number, since it uses less digits than its factorization.

2020000020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200000215 (or 20200000208 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 2020000020100 its reverse (10200000202), we get a palindrome (2030200020302).

The spelling of 2020000020100 in words is "two trillion, twenty billion, twenty thousand, one hundred".