20825067 has 16 divisors (see below), whose sum is σ = 28207872. Its totient is φ = 13665120.

The previous prime is 20825047. The next prime is 20825071. The reversal of 20825067 is 76052802.

It is not a de Polignac number, because 20825067 - 2⁶ = 20825003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20825047) 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, 98592 + ... + 98802.

It is an arithmetic number, because the mean of its divisors is an integer number (1762992).

Almost surely, 2^20825067 is an apocalyptic number.

20825067 is a deficient number, since it is larger than the sum of its proper divisors (7382805).

20825067 is a wasteful number, since it uses less digits than its factorization.

20825067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 20825067 is about 4563.4490245866. The cubic root of 20825067 is about 275.1242061517.

Adding to 20825067 its reverse (76052802), we get a palindrome (96877869).

The spelling of 20825067 in words is "twenty million, eight hundred twenty-five thousand, sixty-seven".