20869292 has 12 divisors (see below), whose sum is σ = 36845256. Its totient is φ = 10342080.

The previous prime is 20869291. The next prime is 20869297. The reversal of 20869292 is 29296802.

It is not an unprimeable number, because it can be changed into a prime (20869291) by changing a digit.

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, 22634 + ... + 23537.

It is an arithmetic number, because the mean of its divisors is an integer number (3070438).

Almost surely, 2^20869292 is an apocalyptic number.

It is an amenable number.

20869292 is a deficient number, since it is larger than the sum of its proper divisors (15975964).

20869292 is a wasteful number, since it uses less digits than its factorization.

20869292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46288 (or 46286 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 20869292 is about 4568.2920221895. The cubic root of 20869292 is about 275.3188236147.

The spelling of 20869292 in words is "twenty million, eight hundred sixty-nine thousand, two hundred ninety-two".