20296828807 has 2 divisors, whose sum is σ = 20296828808. Its totient is φ = 20296828806.

The previous prime is 20296828777. The next prime is 20296828813. The reversal of 20296828807 is 70882869202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20296828807 - 2¹⁹ = 20296304519 is a prime.

It is a super-2 number, since 2×20296828807² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20296828847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10148414403 + 10148414404.

It is an arithmetic number, because the mean of its divisors is an integer number (10148414404).

Almost surely, 2^20296828807 is an apocalyptic number.

20296828807 is a deficient number, since it is larger than the sum of its proper divisors (1).

20296828807 is an equidigital number, since it uses as much as digits as its factorization.

20296828807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 20296828807 in words is "twenty billion, two hundred ninety-six million, eight hundred twenty-eight thousand, eight hundred seven".