20949296 has 20 divisors (see below), whose sum is σ = 40951992. Its totient is φ = 10381056.

The previous prime is 20949259. The next prime is 20949301. The reversal of 20949296 is 69294902.

20949296 is nontrivially palindromic in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3986 + ... + 7601.

Almost surely, 2^20949296 is an apocalyptic number.

It is an amenable number.

20949296 is a deficient number, since it is larger than the sum of its proper divisors (20002696).

20949296 is a wasteful number, since it uses less digits than its factorization.

20949296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708 (or 11702 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 20949296 is about 4577.0400915876. The cubic root of 20949296 is about 275.6701934659.

The spelling of 20949296 in words is "twenty million, nine hundred forty-nine thousand, two hundred ninety-six".