20036342345 has 16 divisors (see below), whose sum is σ = 24341385600. Its totient is φ = 15830686464.

The previous prime is 20036342329. The next prime is 20036342351. The reversal of 20036342345 is 54324363002.

It is a cyclic number.

It is not a de Polignac number, because 20036342345 - 2⁴ = 20036342329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656881 + ... + 1668929.

It is an arithmetic number, because the mean of its divisors is an integer number (1521336600).

Almost surely, 2^20036342345 is an apocalyptic number.

It is an amenable number.

20036342345 is a deficient number, since it is larger than the sum of its proper divisors (4305043255).

20036342345 is a wasteful number, since it uses less digits than its factorization.

20036342345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16144.

The product of its (nonzero) digits is 51840, while the sum is 32.

The spelling of 20036342345 in words is "twenty billion, thirty-six million, three hundred forty-two thousand, three hundred forty-five".