20022065 has 8 divisors (see below), whose sum is σ = 27458880. Its totient is φ = 13729392.

The previous prime is 20022059. The next prime is 20022089. The reversal of 20022065 is 56022002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022065 - 2¹⁴ = 20005681 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285995 + ... + 286064.

It is an arithmetic number, because the mean of its divisors is an integer number (3432360).

Almost surely, 2^20022065 is an apocalyptic number.

It is an amenable number.

20022065 is a deficient number, since it is larger than the sum of its proper divisors (7436815).

20022065 is an equidigital number, since it uses as much as digits as its factorization.

20022065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572071.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20022065 is about 4474.6022169574. The cubic root of 20022065 is about 271.5415476800.

Adding to 20022065 its reverse (56022002), we get a palindrome (76044067).

The spelling of 20022065 in words is "twenty million, twenty-two thousand, sixty-five".