20692146359 has 4 divisors (see below), whose sum is σ = 20692528704. Its totient is φ = 20691764016.

The previous prime is 20692146353. The next prime is 20692146379. The reversal of 20692146359 is 95364129602.

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 20692146359 - 2¹⁶ = 20692080823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20692146353) 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, 93287 + ... + 223800.

It is an arithmetic number, because the mean of its divisors is an integer number (5173132176).

Almost surely, 2^20692146359 is an apocalyptic number.

20692146359 is a deficient number, since it is larger than the sum of its proper divisors (382345).

20692146359 is an equidigital number, since it uses as much as digits as its factorization.

20692146359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382344.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 20692146359 in words is "twenty billion, six hundred ninety-two million, one hundred forty-six thousand, three hundred fifty-nine".