2020311256 has 16 divisors (see below), whose sum is σ = 3788641800. Its totient is φ = 1010006784.

The previous prime is 2020311253. The next prime is 2020311257. The reversal of 2020311256 is 6521130202.

It is a super-2 number, since 2×2020311256² = 8163315142240595072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020311253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57291 + ... + 85573.

Almost surely, 2^2020311256 is an apocalyptic number.

It is an amenable number.

2020311256 is a deficient number, since it is larger than the sum of its proper divisors (1768330544).

2020311256 is a wasteful number, since it uses less digits than its factorization.

2020311256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37218 (or 37214 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2020311256 is about 44947.8726526629. The cubic root of 2020311256 is about 1264.1717890611.

Adding to 2020311256 its reverse (6521130202), we get a palindrome (8541441458).

The spelling of 2020311256 in words is "two billion, twenty million, three hundred eleven thousand, two hundred fifty-six".