220300804377 has 10 divisors (see below), whose sum is σ = 329091325178. Its totient is φ = 146867202864.

The previous prime is 220300804357. The next prime is 220300804387. The reversal of 220300804377 is 773408003022.

220300804377 is a `hidden beast` number, since 2 + 203 + 0 + 0 + 80 + 4 + 377 = 666.

It can be written as a sum of positive squares in only one way, i.e., 110583516681 + 109717287696 = 332541^2 + 331236^2 .

It is not a de Polignac number, because 220300804377 - 2¹² = 220300800281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220300804337) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1359881428 + ... + 1359881589.

Almost surely, 2^220300804377 is an apocalyptic number.

220300804377 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

220300804377 is a deficient number, since it is larger than the sum of its proper divisors (108790520801).

220300804377 is an equidigital number, since it uses as much as digits as its factorization.

220300804377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719763029 (or 2719763020 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

Adding to 220300804377 its reverse (773408003022), we get a palindrome (993708807399).

The spelling of 220300804377 in words is "two hundred twenty billion, three hundred million, eight hundred four thousand, three hundred seventy-seven".