20092417 has 8 divisors (see below), whose sum is σ = 20376360. Its totient is φ = 19810560.

The previous prime is 20092399. The next prime is 20092427. The reversal of 20092417 is 71429002.

It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 20061441 = 176^2 + 4479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20092417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20092391 and 20092400.

It is not an unprimeable number, because it can be changed into a prime (20092427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30067 + ... + 30727.

It is an arithmetic number, because the mean of its divisors is an integer number (2547045).

Almost surely, 2^20092417 is an apocalyptic number.

It is an amenable number.

20092417 is a deficient number, since it is larger than the sum of its proper divisors (283943).

20092417 is a wasteful number, since it uses less digits than its factorization.

20092417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20092417 is about 4482.4565809386. The cubic root of 20092417 is about 271.8592165409.

The spelling of 20092417 in words is "twenty million, ninety-two thousand, four hundred seventeen".