20914603 has 2 divisors, whose sum is σ = 20914604. Its totient is φ = 20914602.

The previous prime is 20914571. The next prime is 20914609. The reversal of 20914603 is 30641902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20914603 - 2⁵ = 20914571 is a prime.

It is not a weakly prime, because it can be changed into another prime (20914609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10457301 + 10457302.

It is an arithmetic number, because the mean of its divisors is an integer number (10457302).

Almost surely, 2^20914603 is an apocalyptic number.

20914603 is a deficient number, since it is larger than the sum of its proper divisors (1).

20914603 is an equidigital number, since it uses as much as digits as its factorization.

20914603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20914603 is about 4573.2486265236. The cubic root of 20914603 is about 275.5179352028.

The spelling of 20914603 in words is "twenty million, nine hundred fourteen thousand, six hundred three".