2020120101 has 8 divisors (see below), whose sum is σ = 2992770560. Its totient is φ = 1346746716.

The previous prime is 2020120087. The next prime is 2020120127. The reversal of 2020120101 is 1010210202.

It is not a de Polignac number, because 2020120101 - 2¹⁷ = 2019989029 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020120601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37409605 + ... + 37409658.

It is an arithmetic number, because the mean of its divisors is an integer number (374096320).

Almost surely, 2^2020120101 is an apocalyptic number.

It is an amenable number.

2020120101 is a deficient number, since it is larger than the sum of its proper divisors (972650459).

2020120101 is an equidigital number, since it uses as much as digits as its factorization.

2020120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74819272 (or 74819266 counting only the distinct ones).

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

The square root of 2020120101 is about 44945.7461947179. The cubic root of 2020120101 is about 1264.1319172543.

Adding to 2020120101 its reverse (1010210202), we get a palindrome (3030330303).

The spelling of 2020120101 in words is "two billion, twenty million, one hundred twenty thousand, one hundred one".