20223033231 has 8 divisors (see below), whose sum is σ = 26968945024. Its totient is φ = 13479571800.

The previous prime is 20223033191. The next prime is 20223033289. The reversal of 20223033231 is 13233032202.

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

It is not a de Polignac number, because 20223033231 - 2⁶ = 20223033167 is a prime.

It is a super-2 number, since 2×20223033231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20223033198 and 20223033207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223033031) 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, 593245 + ... + 626406.

It is an arithmetic number, because the mean of its divisors is an integer number (3371118128).

Almost surely, 2^20223033231 is an apocalyptic number.

20223033231 is a deficient number, since it is larger than the sum of its proper divisors (6745911793).

20223033231 is a wasteful number, since it uses less digits than its factorization.

20223033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225181.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20223033231 its reverse (13233032202), we get a palindrome (33456065433).

The spelling of 20223033231 in words is "twenty billion, two hundred twenty-three million, thirty-three thousand, two hundred thirty-one".