220520366867 has 8 divisors (see below), whose sum is σ = 224751144096. Its totient is φ = 216292182912.

The previous prime is 220520366797. The next prime is 220520366933. The reversal of 220520366867 is 768663025022.

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 220520366867 - 2¹² = 220520362771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220520366167) 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, 476183 + ... + 817184.

It is an arithmetic number, because the mean of its divisors is an integer number (28093893012).

Almost surely, 2^220520366867 is an apocalyptic number.

220520366867 is a deficient number, since it is larger than the sum of its proper divisors (4230777229).

220520366867 is a wasteful number, since it uses less digits than its factorization.

220520366867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296637.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 220520366867 in words is "two hundred twenty billion, five hundred twenty million, three hundred sixty-six thousand, eight hundred sixty-seven".