20604250067 has 2 divisors, whose sum is σ = 20604250068. Its totient is φ = 20604250066.

The previous prime is 20604250027. The next prime is 20604250109. The reversal of 20604250067 is 76005240602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20604250067 - 2⁸ = 20604249811 is a prime.

It is not a weakly prime, because it can be changed into another prime (20604250027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10302125033 + 10302125034.

It is an arithmetic number, because the mean of its divisors is an integer number (10302125034).

Almost surely, 2^20604250067 is an apocalyptic number.

20604250067 is a deficient number, since it is larger than the sum of its proper divisors (1).

20604250067 is an equidigital number, since it uses as much as digits as its factorization.

20604250067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 20604250067 its reverse (76005240602), we get a palindrome (96609490669).

The spelling of 20604250067 in words is "twenty billion, six hundred four million, two hundred fifty thousand, sixty-seven".