20310071699 has 4 divisors (see below), whose sum is σ = 20339464680. Its totient is φ = 20280678720.

The previous prime is 20310071689. The next prime is 20310071701. The reversal of 20310071699 is 99617001302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20310071699 - 2⁸ = 20310071443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310071629) 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 in 3 ways as a sum of consecutive naturals, for example, 14695454 + ... + 14696835.

It is an arithmetic number, because the mean of its divisors is an integer number (5084866170).

Almost surely, 2^20310071699 is an apocalyptic number.

20310071699 is a deficient number, since it is larger than the sum of its proper divisors (29392981).

20310071699 is an equidigital number, since it uses as much as digits as its factorization.

20310071699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29392980.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 20310071699 in words is "twenty billion, three hundred ten million, seventy-one thousand, six hundred ninety-nine".