20233203231 has 8 divisors (see below), whose sum is σ = 26978790960. Its totient is φ = 13488208832.

The previous prime is 20233203229. The next prime is 20233203241. The reversal of 20233203231 is 13230233202.

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

It is a cyclic number.

It is not a de Polignac number, because 20233203231 - 2¹ = 20233203229 is a prime.

It is a super-2 number, since 2×20233203231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20233203198 and 20233203207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233203241) 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, 61500 + ... + 210353.

It is an arithmetic number, because the mean of its divisors is an integer number (3372348870).

Almost surely, 2^20233203231 is an apocalyptic number.

20233203231 is a deficient number, since it is larger than the sum of its proper divisors (6745587729).

20233203231 is a wasteful number, since it uses less digits than its factorization.

20233203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296665.

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

Adding to 20233203231 its reverse (13230233202), we get a palindrome (33463436433).

The spelling of 20233203231 in words is "twenty billion, two hundred thirty-three million, two hundred three thousand, two hundred thirty-one".