20825003 has 2 divisors, whose sum is σ = 20825004. Its totient is φ = 20825002.

The previous prime is 20824997. The next prime is 20825009. The reversal of 20825003 is 30052802.

It is a balanced prime because it is at equal distance from previous prime (20824997) and next prime (20825009).

It is a cyclic number.

It is not a de Polignac number, because 20825003 - 2²² = 16630699 is a prime.

It is not a weakly prime, because it can be changed into another prime (20825009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10412501 + 10412502.

It is an arithmetic number, because the mean of its divisors is an integer number (10412502).

Almost surely, 2^20825003 is an apocalyptic number.

20825003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20825003 is an equidigital number, since it uses as much as digits as its factorization.

20825003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20825003 is about 4563.4420123411. The cubic root of 20825003 is about 275.1239243124.

Adding to 20825003 its reverse (30052802), we get a palindrome (50877805).

The spelling of 20825003 in words is "twenty million, eight hundred twenty-five thousand, three".