20168792 has 48 divisors (see below), whose sum is σ = 45923760. Its totient is φ = 8264256.

The previous prime is 20168777. The next prime is 20168801. The reversal of 20168792 is 29786102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7898 + ... + 10134.

It is an arithmetic number, because the mean of its divisors is an integer number (956745).

Almost surely, 2^20168792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20168792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22961880).

20168792 is an abundant number, since it is smaller than the sum of its proper divisors (25754968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20168792 is a wasteful number, since it uses less digits than its factorization.

20168792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 20168792 is about 4490.9678244227. The cubic root of 20168792 is about 272.2032434237.

The spelling of 20168792 in words is "twenty million, one hundred sixty-eight thousand, seven hundred ninety-two".