20270065 has 8 divisors (see below), whose sum is σ = 24349248. Its totient is φ = 16199280.

The previous prime is 20270059. The next prime is 20270077. The reversal of 20270065 is 56007202.

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

It is not a de Polignac number, because 20270065 - 2⁹ = 20269553 is a prime.

It is a Duffinian 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, 6214 + ... + 8896.

It is an arithmetic number, because the mean of its divisors is an integer number (3043656).

Almost surely, 2^20270065 is an apocalyptic number.

It is an amenable number.

20270065 is a deficient number, since it is larger than the sum of its proper divisors (4079183).

20270065 is a wasteful number, since it uses less digits than its factorization.

20270065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20270065 is about 4502.2288924487. The cubic root of 20270065 is about 272.6580851936.

Adding to 20270065 its reverse (56007202), we get a palindrome (76277267).

The spelling of 20270065 in words is "twenty million, two hundred seventy thousand, sixty-five".