20375677 has 16 divisors (see below), whose sum is σ = 24440832. Its totient is φ = 16608240.

The previous prime is 20375633. The next prime is 20375699. The reversal of 20375677 is 77657302.

It is a cyclic number.

It is not a de Polignac number, because 20375677 - 2¹¹ = 20373629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20375627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43398 + ... + 43864.

It is an arithmetic number, because the mean of its divisors is an integer number (1527552).

Almost surely, 2^20375677 is an apocalyptic number.

It is an amenable number.

20375677 is a deficient number, since it is larger than the sum of its proper divisors (4065155).

20375677 is a wasteful number, since it uses less digits than its factorization.

20375677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 20375677 is about 4513.9425118182. The cubic root of 20375677 is about 273.1308036022.

The spelling of 20375677 in words is "twenty million, three hundred seventy-five thousand, six hundred seventy-seven".