20242065 has 8 divisors (see below), whose sum is σ = 32387328. Its totient is φ = 10795760.

The previous prime is 20242051. The next prime is 20242067. The reversal of 20242065 is 56024202.

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

It is not a de Polignac number, because 20242065 - 2¹⁵ = 20209297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20242067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674721 + ... + 674750.

It is an arithmetic number, because the mean of its divisors is an integer number (4048416).

Almost surely, 2^20242065 is an apocalyptic number.

It is an amenable number.

20242065 is a deficient number, since it is larger than the sum of its proper divisors (12145263).

20242065 is a wasteful number, since it uses less digits than its factorization.

20242065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349479.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20242065 is about 4499.1182469457. The cubic root of 20242065 is about 272.5324821701.

Adding to 20242065 its reverse (56024202), we get a palindrome (76266267).

The spelling of 20242065 in words is "twenty million, two hundred forty-two thousand, sixty-five".