20200531201 has 4 divisors (see below), whose sum is σ = 20247184132. Its totient is φ = 20153878272.

The previous prime is 20200531187. The next prime is 20200531213. The reversal of 20200531201 is 10213500202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5944410000 + 14256121201 = 77100^2 + 119399^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200531201 - 2²¹ = 20198434049 is a prime.

It is a super-2 number, since 2×20200531201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200531501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23325816 + ... + 23326681.

It is an arithmetic number, because the mean of its divisors is an integer number (5061796033).

Almost surely, 2^20200531201 is an apocalyptic number.

It is an amenable number.

20200531201 is a deficient number, since it is larger than the sum of its proper divisors (46652931).

20200531201 is an equidigital number, since it uses as much as digits as its factorization.

20200531201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46652930.

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

The spelling of 20200531201 in words is "twenty billion, two hundred million, five hundred thirty-one thousand, two hundred one".