2020010100 has 144 divisors (see below), whose sum is σ = 5953160640. Its totient is φ = 528768000.

The previous prime is 2020010089. The next prime is 2020010119. The reversal of 2020010100 is 10100202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 4938696 + ... + 4939104.

Almost surely, 2^2020010100 is an apocalyptic number.

2020010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2976580320).

2020010100 is an abundant number, since it is smaller than the sum of its proper divisors (3933150540).

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

2020010100 is a wasteful number, since it uses less digits than its factorization.

2020010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2020010100 is about 44944.5224693733. The cubic root of 2020010100 is about 1264.1089717045.

Adding to 2020010100 its reverse (10100202), we get a palindrome (2030110302).

The spelling of 2020010100 in words is "two billion, twenty million, ten thousand, one hundred".