220827399 has 24 divisors (see below), whose sum is σ = 337595472. Its totient is φ = 127895040.

The previous prime is 220827389. The next prime is 220827401. The reversal of 220827399 is 993728022.

220827399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220827399 - 2¹² = 220823303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220827399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220827379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4192 + ... + 21429.

It is an arithmetic number, because the mean of its divisors is an integer number (14066478).

Almost surely, 2^220827399 is an apocalyptic number.

220827399 is a deficient number, since it is larger than the sum of its proper divisors (116768073).

220827399 is a wasteful number, since it uses less digits than its factorization.

220827399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25667 (or 25654 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 220827399 is about 14860.2624135646. The cubic root of 220827399 is about 604.4369225431.

The spelling of 220827399 in words is "two hundred twenty million, eight hundred twenty-seven thousand, three hundred ninety-nine".