20254065 has 16 divisors (see below), whose sum is σ = 34899648. Its totient is φ = 9971136.

The previous prime is 20254061. The next prime is 20254079. The reversal of 20254065 is 56045202.

It is not a de Polignac number, because 20254065 - 2² = 20254061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20254061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51739 + ... + 52128.

It is an arithmetic number, because the mean of its divisors is an integer number (2181228).

Almost surely, 2^20254065 is an apocalyptic number.

It is an amenable number.

20254065 is a deficient number, since it is larger than the sum of its proper divisors (14645583).

20254065 is a wasteful number, since it uses less digits than its factorization.

20254065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103888.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 20254065 is about 4500.4516440020. The cubic root of 20254065 is about 272.5863262112.

Adding to 20254065 its reverse (56045202), we get a palindrome (76299267).

The spelling of 20254065 in words is "twenty million, two hundred fifty-four thousand, sixty-five".