2020201531 has 4 divisors (see below), whose sum is σ = 2038735600. Its totient is φ = 2001667464.

The previous prime is 2020201529. The next prime is 2020201541. The reversal of 2020201531 is 1351020202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020201531 - 2¹ = 2020201529 is a prime.

It is a super-2 number, since 2×2020201531² = 8162428451709487922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020201541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9266871 + ... + 9267088.

It is an arithmetic number, because the mean of its divisors is an integer number (509683900).

Almost surely, 2^2020201531 is an apocalyptic number.

2020201531 is a deficient number, since it is larger than the sum of its proper divisors (18534069).

2020201531 is a wasteful number, since it uses less digits than its factorization.

2020201531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18534068.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2020201531 is about 44946.6520555202. The cubic root of 2020201531 is about 1264.1489025281.

Adding to 2020201531 its reverse (1351020202), we get a palindrome (3371221733).

The spelling of 2020201531 in words is "two billion, twenty million, two hundred one thousand, five hundred thirty-one".