20798067 has 6 divisors (see below), whose sum is σ = 27741292. Its totient is φ = 13860112.

The previous prime is 20798051. The next prime is 20798077. The reversal of 20798067 is 76089702.

It is not a de Polignac number, because 20798067 - 2⁴ = 20798051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20798077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6583 + ... + 9215.

Almost surely, 2^20798067 is an apocalyptic number.

20798067 is a deficient number, since it is larger than the sum of its proper divisors (6943225).

20798067 is an frugal number, since it uses more digits than its factorization.

20798067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 20798067 is about 4560.4897763289. The cubic root of 20798067 is about 275.0052538941.

The spelling of 20798067 in words is "twenty million, seven hundred ninety-eight thousand, sixty-seven".