20012065 has 8 divisors (see below), whose sum is σ = 24045120. Its totient is φ = 15989232.

The previous prime is 20012063. The next prime is 20012099. The reversal of 20012065 is 56021002.

It is a happy number.

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 20012065 - 2¹ = 20012063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20012063) 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, 2766 + ... + 6904.

It is an arithmetic number, because the mean of its divisors is an integer number (3005640).

Almost surely, 2^20012065 is an apocalyptic number.

It is an amenable number.

20012065 is a deficient number, since it is larger than the sum of its proper divisors (4033055).

20012065 is an equidigital number, since it uses as much as digits as its factorization.

20012065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20012065 is about 4473.4846596362. The cubic root of 20012065 is about 271.4963331018.

Adding to 20012065 its reverse (56021002), we get a palindrome (76033067).

The spelling of 20012065 in words is "twenty million, twelve thousand, sixty-five".