2020222100 has 72 divisors (see below), whose sum is σ = 4732280448. Its totient is φ = 744163200.

The previous prime is 2020222093. The next prime is 2020222109. The reversal of 2020222100 is 12220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020222109) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 631505 + ... + 634695.

Almost surely, 2^2020222100 is an apocalyptic number.

2020222100 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 2020222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2366140224).

2020222100 is an abundant number, since it is smaller than the sum of its proper divisors (2712058348).

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

2020222100 is a wasteful number, since it uses less digits than its factorization.

2020222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3698 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2020222100 is about 44946.8808706455. The cubic root of 2020222100 is about 1264.1531928906.

Adding to 2020222100 its reverse (12220202), we get a palindrome (2032442302).

The spelling of 2020222100 in words is "two billion, twenty million, two hundred twenty-two thousand, one hundred".