20796782 has 8 divisors (see below), whose sum is σ = 31266000. Its totient is φ = 10374784.

The previous prime is 20796781. The next prime is 20796817. The reversal of 20796782 is 28769702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20796782² = 865012283111048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20796781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10682 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (3908250).

Almost surely, 2^20796782 is an apocalyptic number.

20796782 is a deficient number, since it is larger than the sum of its proper divisors (10469218).

20796782 is a wasteful number, since it uses less digits than its factorization.

20796782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23610.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 20796782 is about 4560.3488901618. The cubic root of 20796782 is about 274.9995900820. Note that the first 3 decimals are identical.

The spelling of 20796782 in words is "twenty million, seven hundred ninety-six thousand, seven hundred eighty-two".