20960936 has 16 divisors (see below), whose sum is σ = 39393600. Its totient is φ = 10455984.

The previous prime is 20960923. The next prime is 20960941. The reversal of 20960936 is 63906902.

It is a junction number, because it is equal to n+sod(n) for n = 20960896 and 20960905.

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, 875 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (2462100).

Almost surely, 2^20960936 is an apocalyptic number.

It is an amenable number.

20960936 is a deficient number, since it is larger than the sum of its proper divisors (18432664).

20960936 is a wasteful number, since it uses less digits than its factorization.

20960936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6128 (or 6124 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 20960936 is about 4578.3114791373. The cubic root of 20960936 is about 275.7212406377.

The spelling of 20960936 in words is "twenty million, nine hundred sixty thousand, nine hundred thirty-six".