20035612699 has 2 divisors, whose sum is σ = 20035612700. Its totient is φ = 20035612698.

The previous prime is 20035612621. The next prime is 20035612741. The reversal of 20035612699 is 99621653002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20035612699 - 2³³ = 11445678107 is a prime.

It is not a weakly prime, because it can be changed into another prime (20035612099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017806349 + 10017806350.

It is an arithmetic number, because the mean of its divisors is an integer number (10017806350).

Almost surely, 2^20035612699 is an apocalyptic number.

20035612699 is a deficient number, since it is larger than the sum of its proper divisors (1).

20035612699 is an equidigital number, since it uses as much as digits as its factorization.

20035612699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 20035612699 in words is "twenty billion, thirty-five million, six hundred twelve thousand, six hundred ninety-nine".