20086799434 has 16 divisors (see below), whose sum is σ = 32979842280. Its totient is φ = 9118848960.

The previous prime is 20086799423. The next prime is 20086799437. The reversal of 20086799434 is 43499768002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3475456209 + 16611343225 = 58953^2 + 128885^2 .

It is not an unprimeable number, because it can be changed into a prime (20086799437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6330949 + ... + 6334120.

Almost surely, 2^20086799434 is an apocalyptic number.

20086799434 is a deficient number, since it is larger than the sum of its proper divisors (12893042846).

20086799434 is a wasteful number, since it uses less digits than its factorization.

20086799434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12665145.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 20086799434 in words is "twenty billion, eighty-six million, seven hundred ninety-nine thousand, four hundred thirty-four".