20460165 has 16 divisors (see below), whose sum is σ = 35712576. Its totient is φ = 9920000.

The previous prime is 20460157. The next prime is 20460199. The reversal of 20460165 is 56106402.

It is not a de Polignac number, because 20460165 - 2³ = 20460157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61836 + ... + 62165.

It is an arithmetic number, because the mean of its divisors is an integer number (2232036).

Almost surely, 2^20460165 is an apocalyptic number.

It is an amenable number.

20460165 is a deficient number, since it is larger than the sum of its proper divisors (15252411).

20460165 is a wasteful number, since it uses less digits than its factorization.

20460165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124020.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20460165 is about 4523.2913901273. The cubic root of 20460165 is about 273.5077964461.

Adding to 20460165 its reverse (56106402), we get a palindrome (76566567).

The spelling of 20460165 in words is "twenty million, four hundred sixty thousand, one hundred sixty-five".