2020390893 has 12 divisors (see below), whose sum is σ = 2924847900. Its totient is φ = 1343924736.

The previous prime is 2020390877. The next prime is 2020390903. The reversal of 2020390893 is 3980930202.

It can be written as a sum of positive squares in 2 ways, for example, as 1560803049 + 459587844 = 39507^2 + 21438^2 .

It is not a de Polignac number, because 2020390893 - 2⁴ = 2020390877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020390193) 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, 245946 + ... + 254027.

It is an arithmetic number, because the mean of its divisors is an integer number (243737325).

Almost surely, 2^2020390893 is an apocalyptic number.

It is an amenable number.

2020390893 is a deficient number, since it is larger than the sum of its proper divisors (904457007).

2020390893 is a wasteful number, since it uses less digits than its factorization.

2020390893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500428 (or 500425 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2020390893 is about 44948.7585256812. The cubic root of 2020390893 is about 1264.1883992948.

The spelling of 2020390893 in words is "two billion, twenty million, three hundred ninety thousand, eight hundred ninety-three".