20764703 has 2 divisors, whose sum is σ = 20764704. Its totient is φ = 20764702.

The previous prime is 20764673. The next prime is 20764717. The reversal of 20764703 is 30746702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20764703 - 2¹⁰ = 20763679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20764753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10382351 + 10382352.

It is an arithmetic number, because the mean of its divisors is an integer number (10382352).

Almost surely, 2^20764703 is an apocalyptic number.

20764703 is a deficient number, since it is larger than the sum of its proper divisors (1).

20764703 is an equidigital number, since it uses as much as digits as its factorization.

20764703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20764703 is about 4556.8303677008. The cubic root of 20764703 is about 274.8581218561.

The spelling of 20764703 in words is "twenty million, seven hundred sixty-four thousand, seven hundred three".