20893676 has 12 divisors (see below), whose sum is σ = 36906408. Its totient is φ = 10348992.

The previous prime is 20893651. The next prime is 20893679. The reversal of 20893676 is 67639802.

20893676 = T₇₃ + T₇₄ + ... + T₅₀₀.

It is not an unprimeable number, because it can be changed into a prime (20893679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23981 + ... + 24836.

It is an arithmetic number, because the mean of its divisors is an integer number (3075534).

Almost surely, 2^20893676 is an apocalyptic number.

It is an amenable number.

20893676 is a deficient number, since it is larger than the sum of its proper divisors (16012732).

20893676 is a wasteful number, since it uses less digits than its factorization.

20893676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48928 (or 48926 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 20893676 is about 4570.9600742076. The cubic root of 20893676 is about 275.4260107875.

The spelling of 20893676 in words is "twenty million, eight hundred ninety-three thousand, six hundred seventy-six".