20793255 has 16 divisors (see below), whose sum is σ = 38022144. Its totient is φ = 9505440.

The previous prime is 20793251. The next prime is 20793259. The reversal of 20793255 is 55239702.

It is an interprime number because it is at equal distance from previous prime (20793251) and next prime (20793259).

It is not a de Polignac number, because 20793255 - 2² = 20793251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20793251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98911 + ... + 99120.

It is an arithmetic number, because the mean of its divisors is an integer number (2376384).

Almost surely, 2^20793255 is an apocalyptic number.

20793255 is a deficient number, since it is larger than the sum of its proper divisors (17228889).

20793255 is a wasteful number, since it uses less digits than its factorization.

20793255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198046.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 20793255 is about 4559.9621708957. The cubic root of 20793255 is about 274.9840431513.

The spelling of 20793255 in words is "twenty million, seven hundred ninety-three thousand, two hundred fifty-five".