20796912 has 70 divisors (see below), whose sum is σ = 60447272. Its totient is φ = 6928416.

The previous prime is 20796901. The next prime is 20796917. The reversal of 20796912 is 21969702.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20796917) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 10773 + ... + 12555.

Almost surely, 2^20796912 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 20796912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30223636).

20796912 is an abundant number, since it is smaller than the sum of its proper divisors (39650360).

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

20796912 is an equidigital number, since it uses as much as digits as its factorization.

20796912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 20796912 is about 4560.3631434350. The cubic root of 20796912 is about 275.0001630853. Note that the first 3 decimals are identical.

The spelling of 20796912 in words is "twenty million, seven hundred ninety-six thousand, nine hundred twelve".