20200531641 has 8 divisors (see below), whose sum is σ = 26979009600. Its totient is φ = 13444537392.

The previous prime is 20200531621. The next prime is 20200531651. The reversal of 20200531641 is 14613500202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20200531641 - 2⁶ = 20200531577 is a prime.

It is a super-2 number, since 2×20200531641² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20200531621) 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 7 ways as a sum of consecutive naturals, for example, 5618830 + ... + 5622423.

It is an arithmetic number, because the mean of its divisors is an integer number (3372376200).

Almost surely, 2^20200531641 is an apocalyptic number.

It is an amenable number.

20200531641 is a deficient number, since it is larger than the sum of its proper divisors (6778477959).

20200531641 is a wasteful number, since it uses less digits than its factorization.

20200531641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11241855.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 20200531641 in words is "twenty billion, two hundred million, five hundred thirty-one thousand, six hundred forty-one".