20265035 has 16 divisors (see below), whose sum is σ = 27876096. Its totient is φ = 13854048.

The previous prime is 20265017. The next prime is 20265059. The reversal of 20265035 is 53056202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20265035 - 2²⁰ = 19216459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20265035.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14852 + ... + 16158.

It is an arithmetic number, because the mean of its divisors is an integer number (1742256).

Almost surely, 2^20265035 is an apocalyptic number.

20265035 is a deficient number, since it is larger than the sum of its proper divisors (7611061).

20265035 is a wasteful number, since it uses less digits than its factorization.

20265035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 20265035 is about 4501.6702455866. The cubic root of 20265035 is about 272.6355300344.

The spelling of 20265035 in words is "twenty million, two hundred sixty-five thousand, thirty-five".