220631111245 has 8 divisors (see below), whose sum is σ = 265608645120. Its totient is φ = 175937347920.

The previous prime is 220631111219. The next prime is 220631111279. The reversal of 220631111245 is 542111136022.

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

It is not a de Polignac number, because 220631111245 - 2⁵ = 220631111213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70940925 + ... + 70944034.

It is an arithmetic number, because the mean of its divisors is an integer number (33201080640).

Almost surely, 2^220631111245 is an apocalyptic number.

It is an amenable number.

220631111245 is a deficient number, since it is larger than the sum of its proper divisors (44977533875).

220631111245 is a wasteful number, since it uses less digits than its factorization.

220631111245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141885275.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 220631111245 its reverse (542111136022), we get a palindrome (762742247267).

The spelling of 220631111245 in words is "two hundred twenty billion, six hundred thirty-one million, one hundred eleven thousand, two hundred forty-five".