20201010231 has 4 divisors (see below), whose sum is σ = 26934680312. Its totient is φ = 13467340152.

The previous prime is 20201010199. The next prime is 20201010253. The reversal of 20201010231 is 13201010202.

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

It is not a de Polignac number, because 20201010231 - 2⁵ = 20201010199 is a prime.

It is a super-2 number, since 2×20201010231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201010281) 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, 3366835036 + ... + 3366835041.

It is an arithmetic number, because the mean of its divisors is an integer number (6733670078).

Almost surely, 2^20201010231 is an apocalyptic number.

20201010231 is a deficient number, since it is larger than the sum of its proper divisors (6733670081).

20201010231 is an equidigital number, since it uses as much as digits as its factorization.

20201010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733670080.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20201010231 its reverse (13201010202), we get a palindrome (33402020433).

The spelling of 20201010231 in words is "twenty billion, two hundred one million, ten thousand, two hundred thirty-one".