220231012033 has 2 divisors, whose sum is σ = 220231012034. Its totient is φ = 220231012032.

The previous prime is 220231011937. The next prime is 220231012069. The reversal of 220231012033 is 330210132022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157444684849 + 62786327184 = 396793^2 + 250572^2 .

It is a cyclic number.

It is not a de Polignac number, because 220231012033 - 2⁹ = 220231011521 is a prime.

It is a super-2 number, since 2×220231012033² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220231012033.

It is not a weakly prime, because it can be changed into another prime (220231012093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110115506016 + 110115506017.

It is an arithmetic number, because the mean of its divisors is an integer number (110115506017).

Almost surely, 2^220231012033 is an apocalyptic number.

It is an amenable number.

220231012033 is a deficient number, since it is larger than the sum of its proper divisors (1).

220231012033 is an equidigital number, since it uses as much as digits as its factorization.

220231012033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220231012033 its reverse (330210132022), we get a palindrome (550441144055).

The spelling of 220231012033 in words is "two hundred twenty billion, two hundred thirty-one million, twelve thousand, thirty-three".