20045596 has 12 divisors (see below), whose sum is σ = 35603848. Its totient is φ = 9873072.

The previous prime is 20045593. The next prime is 20045617. The reversal of 20045596 is 69554002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20045591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37131 + ... + 37666.

Almost surely, 2^20045596 is an apocalyptic number.

It is an amenable number.

20045596 is a deficient number, since it is larger than the sum of its proper divisors (15558252).

20045596 is a wasteful number, since it uses less digits than its factorization.

20045596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74868 (or 74866 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 20045596 is about 4477.2308405978. The cubic root of 20045596 is about 271.6478827432.

Adding to 20045596 its reverse (69554002), we get a palindrome (89599598).

It can be divided in two parts, 200 and 45596, that added together give a square (45796 = 214²).

The spelling of 20045596 in words is "twenty million, forty-five thousand, five hundred ninety-six".