220232033231 has 4 divisors (see below), whose sum is σ = 251693752272. Its totient is φ = 188770314192.

The previous prime is 220232033201. The next prime is 220232033237. The reversal of 220232033231 is 132330232022.

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

It is a cyclic number.

It is not a de Polignac number, because 220232033231 - 2¹⁴ = 220232016847 is a prime.

It is a super-2 number, since 2×220232033231² (a number of 23 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 = 220232033197 and 220232033206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220232033237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15730859510 + ... + 15730859523.

It is an arithmetic number, because the mean of its divisors is an integer number (62923438068).

Almost surely, 2^220232033231 is an apocalyptic number.

220232033231 is a deficient number, since it is larger than the sum of its proper divisors (31461719041).

220232033231 is an equidigital number, since it uses as much as digits as its factorization.

220232033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31461719040.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 220232033231 its reverse (132330232022), we get a palindrome (352562265253).

The spelling of 220232033231 in words is "two hundred twenty billion, two hundred thirty-two million, thirty-three thousand, two hundred thirty-one".