220254424031 has 4 divisors (see below), whose sum is σ = 227849404200. Its totient is φ = 212659443864.

The previous prime is 220254424007. The next prime is 220254424057. The reversal of 220254424031 is 130424452022.

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 220254424031 - 2⁶ = 220254423967 is a prime.

It is a super-2 number, since 2×220254424031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 7594980139 = 220254424031 / (2 + 2 + 0 + 2 + 5 + 4 + 4 + 2 + 4 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220254423985 and 220254424003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220254424231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3797490041 + ... + 3797490098.

It is an arithmetic number, because the mean of its divisors is an integer number (56962351050).

Almost surely, 2^220254424031 is an apocalyptic number.

220254424031 is a deficient number, since it is larger than the sum of its proper divisors (7594980169).

220254424031 is an equidigital number, since it uses as much as digits as its factorization.

220254424031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594980168.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 220254424031 its reverse (130424452022), we get a palindrome (350678876053).

The spelling of 220254424031 in words is "two hundred twenty billion, two hundred fifty-four million, four hundred twenty-four thousand, thirty-one".