20414903 has 2 divisors, whose sum is σ = 20414904. Its totient is φ = 20414902.

The previous prime is 20414899. The next prime is 20414917. The reversal of 20414903 is 30941402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20414903 - 2² = 20414899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20414923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10207451 + 10207452.

It is an arithmetic number, because the mean of its divisors is an integer number (10207452).

Almost surely, 2^20414903 is an apocalyptic number.

20414903 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414903 is an equidigital number, since it uses as much as digits as its factorization.

20414903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 20414903 is about 4518.2854048854. The cubic root of 20414903 is about 273.3059627891.

The spelling of 20414903 in words is "twenty million, four hundred fourteen thousand, nine hundred three".