20220231143 has 8 divisors (see below), whose sum is σ = 23110399488. Its totient is φ = 17330453784.

The previous prime is 20220231133. The next prime is 20220231173. The reversal of 20220231143 is 34113202202.

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

It is not a de Polignac number, because 20220231143 - 2¹² = 20220227047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220231133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23030 + ... + 202412.

It is an arithmetic number, because the mean of its divisors is an integer number (2888799936).

Almost surely, 2^20220231143 is an apocalyptic number.

20220231143 is a deficient number, since it is larger than the sum of its proper divisors (2890168345).

20220231143 is a wasteful number, since it uses less digits than its factorization.

20220231143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195493.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20220231143 its reverse (34113202202), we get a palindrome (54333433345).

The spelling of 20220231143 in words is "twenty billion, two hundred twenty million, two hundred thirty-one thousand, one hundred forty-three".