20413703 has 2 divisors, whose sum is σ = 20413704. Its totient is φ = 20413702.

The previous prime is 20413699. The next prime is 20413739. The reversal of 20413703 is 30731402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20413703 - 2² = 20413699 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206851 + 10206852.

It is an arithmetic number, because the mean of its divisors is an integer number (10206852).

Almost surely, 2^20413703 is an apocalyptic number.

20413703 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413703 is an equidigital number, since it uses as much as digits as its factorization.

20413703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20413703 is about 4518.1526091977. The cubic root of 20413703 is about 273.3006076558.

The spelling of 20413703 in words is "twenty million, four hundred thirteen thousand, seven hundred three".