20776675 has 6 divisors (see below), whose sum is σ = 25763108. Its totient is φ = 16621320.

The previous prime is 20776663. The next prime is 20776681. The reversal of 20776675 is 57667702.

It is not a de Polignac number, because 20776675 - 2¹¹ = 20774627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 415509 + ... + 415558.

Almost surely, 2^20776675 is an apocalyptic number.

20776675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20776675 is a deficient number, since it is larger than the sum of its proper divisors (4986433).

20776675 is an equidigital number, since it uses as much as digits as its factorization.

20776675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831077 (or 831072 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 20776675 is about 4558.1438108072. The cubic root of 20776675 is about 274.9109353449.

The spelling of 20776675 in words is "twenty million, seven hundred seventy-six thousand, six hundred seventy-five".