20223140142231 has 32 divisors (see below), whose sum is σ = 32357821413120. Its totient is φ = 12409144663392.

The previous prime is 20223140142173. The next prime is 20223140142239. The reversal of 20223140142231 is 13224104132202.

20223140142231 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 31 + 401 + 4 + 223 + 1 = 666.

It is not a de Polignac number, because 20223140142231 - 2¹⁰ = 20223140141207 is a prime.

It is a super-2 number, since 2×20223140142231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20223140142195 and 20223140142204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223140142239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82898065 + ... + 83141658.

It is an arithmetic number, because the mean of its divisors is an integer number (1011181919160).

Almost surely, 2^{20223140142231} is an apocalyptic number.

20223140142231 is a deficient number, since it is larger than the sum of its proper divisors (12134681270889).

20223140142231 is a wasteful number, since it uses less digits than its factorization.

20223140142231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166040092 (or 166040086 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 20223140142231 its reverse (13224104132202), we get a palindrome (33447244274433).

The spelling of 20223140142231 in words is "twenty trillion, two hundred twenty-three billion, one hundred forty million, one hundred forty-two thousand, two hundred thirty-one".