20677367 has 12 divisors (see below), whose sum is σ = 21671064. Its totient is φ = 19721520.

The previous prime is 20677357. The next prime is 20677369. The reversal of 20677367 is 76377602.

It is not a de Polignac number, because 20677367 - 2⁴ = 20677351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20677367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20677369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97892 + ... + 98102.

It is an arithmetic number, because the mean of its divisors is an integer number (1805922).

Almost surely, 2^20677367 is an apocalyptic number.

20677367 is a deficient number, since it is larger than the sum of its proper divisors (993697).

20677367 is an equidigital number, since it uses as much as digits as its factorization.

20677367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 38.

The square root of 20677367 is about 4547.2372931265. The cubic root of 20677367 is about 274.4722307490.

The spelling of 20677367 in words is "twenty million, six hundred seventy-seven thousand, three hundred sixty-seven".