220565666233253 has 16 divisors (see below), whose sum is σ = 247508562736512. Its totient is φ = 194811934272000.

The previous prime is 220565666233109. The next prime is 220565666233261. The reversal of 220565666233253 is 352332666565022.

It is a happy number.

It is not a de Polignac number, because 220565666233253 - 2²² = 220565662038949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220565666233753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014536801 + ... + 1014754182.

It is an arithmetic number, because the mean of its divisors is an integer number (15469285171032).

Almost surely, 2^{220565666233253} is an apocalyptic number.

It is an amenable number.

220565666233253 is a deficient number, since it is larger than the sum of its proper divisors (26942896503259).

220565666233253 is a wasteful number, since it uses less digits than its factorization.

220565666233253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029291276.

The product of its (nonzero) digits is 69984000, while the sum is 56.

The spelling of 220565666233253 in words is "two hundred twenty trillion, five hundred sixty-five billion, six hundred sixty-six million, two hundred thirty-three thousand, two hundred fifty-three".