220364312655 has 8 divisors (see below), whose sum is σ = 352582900272. Its totient is φ = 117527633408.

The previous prime is 220364312627. The next prime is 220364312711. The reversal of 220364312655 is 556213463022.

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

It is a cyclic number.

It is not a de Polignac number, because 220364312655 - 2⁷ = 220364312527 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, 7345477074 + ... + 7345477103.

It is an arithmetic number, because the mean of its divisors is an integer number (44072862534).

Almost surely, 2^220364312655 is an apocalyptic number.

220364312655 is a deficient number, since it is larger than the sum of its proper divisors (132218587617).

220364312655 is a wasteful number, since it uses less digits than its factorization.

220364312655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14690954185.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 220364312655 its reverse (556213463022), we get a palindrome (776577775677).

The spelling of 220364312655 in words is "two hundred twenty billion, three hundred sixty-four million, three hundred twelve thousand, six hundred fifty-five".