220365598811 has 8 divisors (see below), whose sum is σ = 237730702464. Its totient is φ = 203489653120.

The previous prime is 220365598753. The next prime is 220365598813. The reversal of 220365598811 is 118895563022.

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 220365598811 - 2³⁴ = 203185729627 is a prime.

It is a super-2 number, since 2×220365598811² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220365598811.

It is not an unprimeable number, because it can be changed into a prime (220365598813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122288555 + ... + 122290356.

It is an arithmetic number, because the mean of its divisors is an integer number (29716337808).

Almost surely, 2^220365598811 is an apocalyptic number.

220365598811 is a deficient number, since it is larger than the sum of its proper divisors (17365103653).

220365598811 is a wasteful number, since it uses less digits than its factorization.

220365598811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244578981.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 220365598811 in words is "two hundred twenty billion, three hundred sixty-five million, five hundred ninety-eight thousand, eight hundred eleven".