20934828263 has 2 divisors, whose sum is σ = 20934828264. Its totient is φ = 20934828262.

The previous prime is 20934828259. The next prime is 20934828269. The reversal of 20934828263 is 36282843902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20934828263 - 2² = 20934828259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20934828269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10467414131 + 10467414132.

It is an arithmetic number, because the mean of its divisors is an integer number (10467414132).

Almost surely, 2^20934828263 is an apocalyptic number.

20934828263 is a deficient number, since it is larger than the sum of its proper divisors (1).

20934828263 is an equidigital number, since it uses as much as digits as its factorization.

20934828263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 20934828263 in words is "twenty billion, nine hundred thirty-four million, eight hundred twenty-eight thousand, two hundred sixty-three".