20796830 has 32 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 7536672.

The previous prime is 20796817. The next prime is 20796869. The reversal of 20796830 is 3869702.

It is a congruent number.

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, 1991 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^20796830 is an apocalyptic number.

20796830 is a deficient number, since it is larger than the sum of its proper divisors (20329570).

20796830 is a wasteful number, since it uses less digits than its factorization.

20796830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 20796830 is about 4560.3541529140. The cubic root of 20796830 is about 274.9998016527. Note that the first 3 decimals are identical.

The spelling of 20796830 in words is "twenty million, seven hundred ninety-six thousand, eight hundred thirty".