2020312500 has 108 divisors (see below), whose sum is σ = 5906246976. Its totient is φ = 537500000.

The previous prime is 2020312499. The next prime is 2020312513. The reversal of 2020312500 is 52130202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2020312500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4687285 + ... + 4687715.

It is an arithmetic number, because the mean of its divisors is an integer number (54687472).

Almost surely, 2^2020312500 is an apocalyptic number.

2020312500 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 2020312500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953123488).

2020312500 is an abundant number, since it is smaller than the sum of its proper divisors (3885934476).

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

2020312500 is an frugal number, since it uses more digits than its factorization.

2020312500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2020312500 is about 44947.8864909130. The cubic root of 2020312500 is about 1264.1720485309.

Adding to 2020312500 its reverse (52130202), we get a palindrome (2072442702).

The spelling of 2020312500 in words is "two billion, twenty million, three hundred twelve thousand, five hundred".