20676956 has 12 divisors (see below), whose sum is σ = 37067520. Its totient is φ = 10086240.

The previous prime is 20676919. The next prime is 20676961. The reversal of 20676956 is 65967602.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62876 + ... + 63203.

It is an arithmetic number, because the mean of its divisors is an integer number (3088960).

Almost surely, 2^20676956 is an apocalyptic number.

It is an amenable number.

20676956 is a deficient number, since it is larger than the sum of its proper divisors (16390564).

20676956 is a wasteful number, since it uses less digits than its factorization.

20676956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126124 (or 126122 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 20676956 is about 4547.1921006265. The cubic root of 20676956 is about 274.4704121933.

The spelling of 20676956 in words is "twenty million, six hundred seventy-six thousand, nine hundred fifty-six".