2020120100 has 36 divisors (see below), whose sum is σ = 4387719168. Its totient is φ = 807300000.

The previous prime is 2020120087. The next prime is 2020120127. The reversal of 2020120100 is 10210202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106325 + ... + 123875.

It is an arithmetic number, because the mean of its divisors is an integer number (121881088).

Almost surely, 2^2020120100 is an apocalyptic number.

2020120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020120100 is an abundant number, since it is smaller than the sum of its proper divisors (2367599068).

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

2020120100 is a wasteful number, since it uses less digits than its factorization.

2020120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18716 (or 18709 counting only the distinct ones).

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

The square root of 2020120100 is about 44945.7461835934. The cubic root of 2020120100 is about 1264.1319170457.

Adding to 2020120100 its reverse (10210202), we get a palindrome (2030330302).

The spelling of 2020120100 in words is "two billion, twenty million, one hundred twenty thousand, one hundred".