20594045 has 4 divisors (see below), whose sum is σ = 24712860. Its totient is φ = 16475232.

The previous prime is 20594023. The next prime is 20594053. The reversal of 20594045 is 54049502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9972964 + 10621081 = 3158^2 + 3259^2 .

It is a cyclic number.

It is not a de Polignac number, because 20594045 - 2¹² = 20589949 is a prime.

It is a super-2 number, since 2×20594045² = 848229378924050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20593999 and 20594017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059400 + ... + 2059409.

It is an arithmetic number, because the mean of its divisors is an integer number (6178215).

Almost surely, 2^20594045 is an apocalyptic number.

It is an amenable number.

20594045 is a deficient number, since it is larger than the sum of its proper divisors (4118815).

20594045 is an equidigital number, since it uses as much as digits as its factorization.

20594045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118814.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 20594045 is about 4538.0662181154. The cubic root of 20594045 is about 274.1030611999.

The spelling of 20594045 in words is "twenty million, five hundred ninety-four thousand, forty-five".