20344292 has 12 divisors (see below), whose sum is σ = 35642880. Its totient is φ = 10160616.

The previous prime is 20344273. The next prime is 20344309. The reversal of 20344292 is 29244302.

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, 2009 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (2970240).

Almost surely, 2^20344292 is an apocalyptic number.

It is an amenable number.

20344292 is a deficient number, since it is larger than the sum of its proper divisors (15298588).

20344292 is a wasteful number, since it uses less digits than its factorization.

20344292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770 (or 5768 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20344292 is about 4510.4647210681. The cubic root of 20344292 is about 272.9904955387.

Adding to 20344292 its reverse (29244302), we get a palindrome (49588594).

The spelling of 20344292 in words is "twenty million, three hundred forty-four thousand, two hundred ninety-two".