2020320100 has 36 divisors (see below), whose sum is σ = 4491032868. Its totient is φ = 788416000.

The previous prime is 2020320073. The next prime is 2020320101. The reversal of 2020320100 is 10230202.

It can be written as a sum of positive squares in 6 ways, for example, as 575712036 + 1444608064 = 23994^2 + 38008^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2020320101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242281 + ... + 250480.

It is an arithmetic number, because the mean of its divisors is an integer number (124750913).

Almost surely, 2^2020320100 is an apocalyptic number.

2020320100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020320100 is an abundant number, since it is smaller than the sum of its proper divisors (2470712768).

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

2020320100 is a wasteful number, since it uses less digits than its factorization.

2020320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492816 (or 492809 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2020320100 is about 44947.9710331846. The cubic root of 2020320100 is about 1264.1736337140.

Adding to 2020320100 its reverse (10230202), we get a palindrome (2030550302).

The spelling of 2020320100 in words is "two billion, twenty million, three hundred twenty thousand, one hundred".