20577103 has 2 divisors, whose sum is σ = 20577104. Its totient is φ = 20577102.

The previous prime is 20577079. The next prime is 20577119. The reversal of 20577103 is 30177502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20577103 - 2⁵ = 20577071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20077103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10288551 + 10288552.

It is an arithmetic number, because the mean of its divisors is an integer number (10288552).

Almost surely, 2^20577103 is an apocalyptic number.

20577103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20577103 is an equidigital number, since it uses as much as digits as its factorization.

20577103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 20577103 is about 4536.1991799303. The cubic root of 20577103 is about 274.0278755805.

The spelling of 20577103 in words is "twenty million, five hundred seventy-seven thousand, one hundred three".