20474265 has 32 divisors (see below), whose sum is σ = 37647360. Its totient is φ = 9307584.

The previous prime is 20474263. The next prime is 20474297. The reversal of 20474265 is 56247402.

It is not a de Polignac number, because 20474265 - 2¹ = 20474263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20474263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23406 + ... + 24264.

It is an arithmetic number, because the mean of its divisors is an integer number (1176480).

Almost surely, 2^20474265 is an apocalyptic number.

It is an amenable number.

20474265 is a deficient number, since it is larger than the sum of its proper divisors (17173095).

20474265 is a wasteful number, since it uses less digits than its factorization.

20474265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 20474265 is about 4524.8497212615. The cubic root of 20474265 is about 273.5706107714.

The spelling of 20474265 in words is "twenty million, four hundred seventy-four thousand, two hundred sixty-five".