20949092 has 6 divisors (see below), whose sum is σ = 36660918. Its totient is φ = 10474544.

The previous prime is 20949079. The next prime is 20949101. The reversal of 20949092 is 29094902.

It can be written as a sum of positive squares in only one way, i.e., 13075456 + 7873636 = 3616^2 + 2806^2 .

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 as a sum of consecutive naturals, namely, 2618633 + ... + 2618640.

It is an arithmetic number, because the mean of its divisors is an integer number (6110153).

Almost surely, 2^20949092 is an apocalyptic number.

It is an amenable number.

20949092 is a deficient number, since it is larger than the sum of its proper divisors (15711826).

20949092 is a wasteful number, since it uses less digits than its factorization.

20949092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237277 (or 5237275 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 20949092 is about 4577.0178063888. The cubic root of 20949092 is about 275.6692986561.

The spelling of 20949092 in words is "twenty million, nine hundred forty-nine thousand, ninety-two".