2020005531 has 12 divisors (see below), whose sum is σ = 2918293560. Its totient is φ = 1346436000.

The previous prime is 2020005511. The next prime is 2020005551. The reversal of 2020005531 is 1355000202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2020005511) and next prime (2020005551).

It is not a de Polignac number, because 2020005531 - 2¹¹ = 2020003483 is a prime.

It is a super-2 number, since 2×2020005531² = 8160844690541183922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2020005511) 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, 46980 + ... + 79038.

It is an arithmetic number, because the mean of its divisors is an integer number (243191130).

Almost surely, 2^2020005531 is an apocalyptic number.

2020005531 is a deficient number, since it is larger than the sum of its proper divisors (898288029).

2020005531 is a wasteful number, since it uses less digits than its factorization.

2020005531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39066 (or 39063 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2020005531 is about 44944.4716400137. The cubic root of 2020005531 is about 1264.1080186205.

Adding to 2020005531 its reverse (1355000202), we get a palindrome (3375005733).

The spelling of 2020005531 in words is "two billion, twenty million, five thousand, five hundred thirty-one".