20045627 has 16 divisors (see below), whose sum is σ = 25167360. Its totient is φ = 15567552.

The previous prime is 20045621. The next prime is 20045629. The reversal of 20045627 is 72654002.

It is not a de Polignac number, because 20045627 - 2⁶ = 20045563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20045596 and 20045605.

It is not an unprimeable number, because it can be changed into a prime (20045621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218 + ... + 6335.

It is an arithmetic number, because the mean of its divisors is an integer number (1572960).

Almost surely, 2^20045627 is an apocalyptic number.

20045627 is a deficient number, since it is larger than the sum of its proper divisors (5121733).

20045627 is a wasteful number, since it uses less digits than its factorization.

20045627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20045627 is about 4477.2343025578. The cubic root of 20045627 is about 271.6480227753.

Adding to 20045627 its reverse (72654002), we get a palindrome (92699629).

The spelling of 20045627 in words is "twenty million, forty-five thousand, six hundred twenty-seven".