20795445 has 48 divisors (see below), whose sum is σ = 40277952. Its totient is φ = 9838080.

The previous prime is 20795441. The next prime is 20795447. The reversal of 20795445 is 54459702.

20795445 is a `hidden beast` number, since 207 + 9 + 5 + 445 = 666.

It is not a de Polignac number, because 20795445 - 2² = 20795441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20795441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20797 + ... + 21773.

It is an arithmetic number, because the mean of its divisors is an integer number (839124).

Almost surely, 2^20795445 is an apocalyptic number.

It is an amenable number.

20795445 is a deficient number, since it is larger than the sum of its proper divisors (19482507).

20795445 is a wasteful number, since it uses less digits than its factorization.

20795445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 20795445 is about 4560.2022981442. The cubic root of 20795445 is about 274.9936968252.

The spelling of 20795445 in words is "twenty million, seven hundred ninety-five thousand, four hundred forty-five".