20044825 has 12 divisors (see below), whose sum is σ = 24913708. Its totient is φ = 15998400.

The previous prime is 20044823. The next prime is 20044841. The reversal of 20044825 is 52844002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1485961 + 18558864 = 1219^2 + 4308^2 .

It is not a de Polignac number, because 20044825 - 2¹ = 20044823 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20044825.

It is not an unprimeable number, because it can be changed into a prime (20044823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15919 + ... + 17131.

Almost surely, 2^20044825 is an apocalyptic number.

20044825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20044825 is a deficient number, since it is larger than the sum of its proper divisors (4868883).

20044825 is a wasteful number, since it uses less digits than its factorization.

20044825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 20044825 is about 4477.1447374415. The cubic root of 20044825 is about 271.6443999632.

Adding to 20044825 its reverse (52844002), we get a palindrome (72888827).

The spelling of 20044825 in words is "twenty million, forty-four thousand, eight hundred twenty-five".