720204263 has 2 divisors, whose sum is σ = 720204264. Its totient is φ = 720204262.

The previous prime is 720204229. The next prime is 720204271. The reversal of 720204263 is 362402027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 720204263 - 2⁸ = 720204007 is a prime.

It is equal to p_37244033 and since 720204263 and 37244033 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720204293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360102131 + 360102132.

It is an arithmetic number, because the mean of its divisors is an integer number (360102132).

Almost surely, 2^720204263 is an apocalyptic number.

720204263 is a deficient number, since it is larger than the sum of its proper divisors (1).

720204263 is an equidigital number, since it uses as much as digits as its factorization.

720204263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 720204263 is about 26836.6216763586. The cubic root of 720204263 is about 896.3656991843.

The spelling of 720204263 in words is "seven hundred twenty million, two hundred four thousand, two hundred sixty-three".