2020158720 has 108 divisors (see below), whose sum is σ = 6989578596. Its totient is φ = 538705920.

The previous prime is 2020158719. The next prime is 2020158731. The reversal of 2020158720 is 278510202.

It can be written as a sum of positive squares in 2 ways, for example, as 1380271104 + 639887616 = 37152^2 + 25296^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76161 + ... + 99200.

Almost surely, 2^2020158720 is an apocalyptic number.

2020158720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020158720 is an abundant number, since it is smaller than the sum of its proper divisors (4969419876).

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

2020158720 is a wasteful number, since it uses less digits than its factorization.

2020158720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175388 (or 175371 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2020158720 is about 44946.1758106293. The cubic root of 2020158720 is about 1264.1399727489.

Adding to 2020158720 its reverse (278510202), we get a palindrome (2298668922).

The spelling of 2020158720 in words is "two billion, twenty million, one hundred fifty-eight thousand, seven hundred twenty".