220650066463 has 4 divisors (see below), whose sum is σ = 220652443000. Its totient is φ = 220647689928.

The previous prime is 220650066419. The next prime is 220650066493. The reversal of 220650066463 is 364660056022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220650066463 - 2²⁵ = 220616512031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220650066493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043088 + ... + 1236661.

It is an arithmetic number, because the mean of its divisors is an integer number (55163110750).

Almost surely, 2^220650066463 is an apocalyptic number.

220650066463 is a deficient number, since it is larger than the sum of its proper divisors (2376537).

220650066463 is an equidigital number, since it uses as much as digits as its factorization.

220650066463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376536.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 220650066463 in words is "two hundred twenty billion, six hundred fifty million, sixty-six thousand, four hundred sixty-three".