20675877 has 8 divisors (see below), whose sum is σ = 27615264. Its totient is φ = 13760208.

The previous prime is 20675813. The next prime is 20675917. The reversal of 20675877 is 77857602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20675877 - 2⁶ = 20675813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20670877) 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, 3783 + ... + 7460.

It is an arithmetic number, because the mean of its divisors is an integer number (3451908).

Almost surely, 2^20675877 is an apocalyptic number.

It is an amenable number.

20675877 is a deficient number, since it is larger than the sum of its proper divisors (6939387).

20675877 is a wasteful number, since it uses less digits than its factorization.

20675877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11859.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 20675877 is about 4547.0734544320. The cubic root of 20675877 is about 274.4656378167.

The spelling of 20675877 in words is "twenty million, six hundred seventy-five thousand, eight hundred seventy-seven".