220672377 has 8 divisors (see below), whose sum is σ = 326922080. Its totient is φ = 147114900.

The previous prime is 220672343. The next prime is 220672409. The reversal of 220672377 is 773276022.

220672377 is a `hidden beast` number, since 220 + 67 + 2 + 377 = 666.

It is not a de Polignac number, because 220672377 - 2¹² = 220668281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220677377) 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, 4086499 + ... + 4086552.

It is an arithmetic number, because the mean of its divisors is an integer number (40865260).

Almost surely, 2^220672377 is an apocalyptic number.

220672377 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

220672377 is a deficient number, since it is larger than the sum of its proper divisors (106249703).

220672377 is an equidigital number, since it uses as much as digits as its factorization.

220672377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173060 (or 8173054 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 220672377 is about 14855.0455064937. The cubic root of 220672377 is about 604.2954501295.

The spelling of 220672377 in words is "two hundred twenty million, six hundred seventy-two thousand, three hundred seventy-seven".