506641320022 has 4 divisors (see below), whose sum is σ = 759961980036. Its totient is φ = 253320660010.

The previous prime is 506641319917. The next prime is 506641320041. The reversal of 506641320022 is 220023146605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220023146605 = 5 ⋅44004629321.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126660330004 + ... + 126660330007.

It is an arithmetic number, because the mean of its divisors is an integer number (189990495009).

Almost surely, 2^506641320022 is an apocalyptic number.

506641320022 is a deficient number, since it is larger than the sum of its proper divisors (253320660014).

506641320022 is a wasteful number, since it uses less digits than its factorization.

506641320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253320660013.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 506641320022 its reverse (220023146605), we get a palindrome (726664466627).

The spelling of 506641320022 in words is "five hundred six billion, six hundred forty-one million, three hundred twenty thousand, twenty-two".