20092816 has 10 divisors (see below), whose sum is σ = 38929862. Its totient is φ = 10046400.

The previous prime is 20092783. The next prime is 20092817. The reversal of 20092816 is 61829002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 1430416 = 4320^2 + 1196^2 .

It is not an unprimeable number, because it can be changed into a prime (20092817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627885 + ... + 627916.

Almost surely, 2^20092816 is an apocalyptic number.

It is an amenable number.

20092816 is a deficient number, since it is larger than the sum of its proper divisors (18837046).

20092816 is a wasteful number, since it uses less digits than its factorization.

20092816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255809 (or 1255803 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 20092816 is about 4482.5010875626. The cubic root of 20092816 is about 271.8610160773.

The spelling of 20092816 in words is "twenty million, ninety-two thousand, eight hundred sixteen".