20056703 has 2 divisors, whose sum is σ = 20056704. Its totient is φ = 20056702.

The previous prime is 20056693. The next prime is 20056769. The reversal of 20056703 is 30765002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20056703 - 2²⁰ = 19008127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20056793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10028351 + 10028352.

It is an arithmetic number, because the mean of its divisors is an integer number (10028352).

Almost surely, 2^20056703 is an apocalyptic number.

20056703 is a deficient number, since it is larger than the sum of its proper divisors (1).

20056703 is an equidigital number, since it uses as much as digits as its factorization.

20056703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 20056703 is about 4478.4710560637. The cubic root of 20056703 is about 271.6980456475.

The spelling of 20056703 in words is "twenty million, fifty-six thousand, seven hundred three".