20620635010699 has 2 divisors, whose sum is σ = 20620635010700. Its totient is φ = 20620635010698.

The previous prime is 20620635010637. The next prime is 20620635010727. The reversal of 20620635010699 is 99601053602602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20620635010699 - 2²³ = 20620626622091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20620635010999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10310317505349 + 10310317505350.

It is an arithmetic number, because the mean of its divisors is an integer number (10310317505350).

Almost surely, 2^{20620635010699} is an apocalyptic number.

20620635010699 is a deficient number, since it is larger than the sum of its proper divisors (1).

20620635010699 is an equidigital number, since it uses as much as digits as its factorization.

20620635010699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 20620635010699 in words is "twenty trillion, six hundred twenty billion, six hundred thirty-five million, ten thousand, six hundred ninety-nine".