20046117 has 32 divisors (see below), whose sum is σ = 33279232. Its totient is φ = 10450944.

The previous prime is 20046113. The next prime is 20046151. The reversal of 20046117 is 71164002.

It is not a de Polignac number, because 20046117 - 2² = 20046113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20046093 and 20046102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26103 + ... + 26859.

It is an arithmetic number, because the mean of its divisors is an integer number (1039976).

Almost surely, 2^20046117 is an apocalyptic number.

It is an amenable number.

20046117 is a deficient number, since it is larger than the sum of its proper divisors (13233115).

20046117 is a wasteful number, since it uses less digits than its factorization.

20046117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 20046117 is about 4477.2890235052. The cubic root of 20046117 is about 271.6502361666.

The spelling of 20046117 in words is "twenty million, forty-six thousand, one hundred seventeen".