20733417 has 6 divisors (see below), whose sum is σ = 29948282. Its totient is φ = 13822272.

The previous prime is 20733359. The next prime is 20733467. The reversal of 20733417 is 71433702.

It can be written as a sum of positive squares in only one way, i.e., 18224361 + 2509056 = 4269^2 + 1584^2 .

It is not a de Polignac number, because 20733417 - 2²³ = 12344809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20733467) 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, 1151848 + ... + 1151865.

Almost surely, 2^20733417 is an apocalyptic number.

It is an amenable number.

20733417 is a deficient number, since it is larger than the sum of its proper divisors (9214865).

20733417 is a wasteful number, since it uses less digits than its factorization.

20733417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303719 (or 2303716 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20733417 is about 4553.3962050320. The cubic root of 20733417 is about 274.7200103437.

The spelling of 20733417 in words is "twenty million, seven hundred thirty-three thousand, four hundred seventeen".