2020545231 has 16 divisors (see below), whose sum is σ = 2770806528. Its totient is φ = 1308920000.

The previous prime is 2020545221. The next prime is 2020545257. The reversal of 2020545231 is 1325450202.

It is a cyclic number.

It is not a de Polignac number, because 2020545231 - 2¹⁸ = 2020283087 is a prime.

It is a super-2 number, since 2×2020545231² = 8165206061033686722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020545221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851 + ... + 63596.

It is an arithmetic number, because the mean of its divisors is an integer number (173175408).

Almost surely, 2^2020545231 is an apocalyptic number.

2020545231 is a deficient number, since it is larger than the sum of its proper divisors (750261297).

2020545231 is a wasteful number, since it uses less digits than its factorization.

2020545231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65742.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2020545231 is about 44950.4753145059. The cubic root of 2020545231 is about 1264.2205889966.

Adding to 2020545231 its reverse (1325450202), we get a palindrome (3345995433).

The spelling of 2020545231 in words is "two billion, twenty million, five hundred forty-five thousand, two hundred thirty-one".