20276793 has 12 divisors (see below), whose sum is σ = 29842020. Its totient is φ = 13262496.

The previous prime is 20276761. The next prime is 20276807. The reversal of 20276793 is 39767202.

It can be written as a sum of positive squares in 2 ways, for example, as 17413929 + 2862864 = 4173^2 + 1692^2 .

It is not a de Polignac number, because 20276793 - 2⁵ = 20276761 is a prime.

It is a super-2 number, since 2×20276793² = 822296668729698, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20276293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20778 + ... + 21731.

It is an arithmetic number, because the mean of its divisors is an integer number (2486835).

Almost surely, 2^20276793 is an apocalyptic number.

It is an amenable number.

20276793 is a deficient number, since it is larger than the sum of its proper divisors (9565227).

20276793 is a wasteful number, since it uses less digits than its factorization.

20276793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42568 (or 42565 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 20276793 is about 4502.9760159255. The cubic root of 20276793 is about 272.6882485679.

The spelling of 20276793 in words is "twenty million, two hundred seventy-six thousand, seven hundred ninety-three".