20603059 has 2 divisors, whose sum is σ = 20603060. Its totient is φ = 20603058.

The previous prime is 20603057. The next prime is 20603111. The reversal of 20603059 is 95030602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20603059 - 2¹ = 20603057 is a prime.

Together with 20603057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20603053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10301529 + 10301530.

It is an arithmetic number, because the mean of its divisors is an integer number (10301530).

Almost surely, 2^20603059 is an apocalyptic number.

20603059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20603059 is an equidigital number, since it uses as much as digits as its factorization.

20603059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 20603059 is about 4539.0592637682. The cubic root of 20603059 is about 274.1430469434.

The spelling of 20603059 in words is "twenty million, six hundred three thousand, fifty-nine".