20825627 has 4 divisors (see below), whose sum is σ = 20849496. Its totient is φ = 20801760.

The previous prime is 20825621. The next prime is 20825633. The reversal of 20825627 is 72652802.

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

It is an interprime number because it is at equal distance from previous prime (20825621) and next prime (20825633).

It is a cyclic number.

It is not a de Polignac number, because 20825627 - 2⁴ = 20825611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20825593 and 20825602.

It is not an unprimeable number, because it can be changed into a prime (20825621) 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, 10574 + ... + 12387.

It is an arithmetic number, because the mean of its divisors is an integer number (5212374).

Almost surely, 2^20825627 is an apocalyptic number.

20825627 is a deficient number, since it is larger than the sum of its proper divisors (23869).

20825627 is an equidigital number, since it uses as much as digits as its factorization.

20825627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23868.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 20825627 is about 4563.5103812745. The cubic root of 20825627 is about 275.1266722210.

The spelling of 20825627 in words is "twenty million, eight hundred twenty-five thousand, six hundred twenty-seven".