220577487465 has 16 divisors (see below), whose sum is σ = 354179943936. Its totient is φ = 117222672000.

The previous prime is 220577487437. The next prime is 220577487469. The reversal of 220577487465 is 564784775022.

It is not a de Polignac number, because 220577487465 - 2⁸ = 220577487209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220577487469) 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, 26161561 + ... + 26169990.

It is an arithmetic number, because the mean of its divisors is an integer number (22136246496).

Almost surely, 2^220577487465 is an apocalyptic number.

It is an amenable number.

220577487465 is a deficient number, since it is larger than the sum of its proper divisors (133602456471).

220577487465 is a wasteful number, since it uses less digits than its factorization.

220577487465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52331840.

The product of its (nonzero) digits is 26342400, while the sum is 57.

The spelling of 220577487465 in words is "two hundred twenty billion, five hundred seventy-seven million, four hundred eighty-seven thousand, four hundred sixty-five".