20463792 has 80 divisors (see below), whose sum is σ = 55814880. Its totient is φ = 6451200.

The previous prime is 20463787. The next prime is 20463803. The reversal of 20463792 is 29736402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84792 + ... + 85032.

It is an arithmetic number, because the mean of its divisors is an integer number (697686).

Almost surely, 2^20463792 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 20463792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27907440).

20463792 is an abundant number, since it is smaller than the sum of its proper divisors (35351088).

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

20463792 is a wasteful number, since it uses less digits than its factorization.

20463792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 20463792 is about 4523.6922972280. The cubic root of 20463792 is about 273.5239571852.

The spelling of 20463792 in words is "twenty million, four hundred sixty-three thousand, seven hundred ninety-two".