20034992347 has 2 divisors, whose sum is σ = 20034992348. Its totient is φ = 20034992346.

The previous prime is 20034992293. The next prime is 20034992353. The reversal of 20034992347 is 74329943002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20034992347 - 2¹¹ = 20034990299 is a prime.

It is not a weakly prime, because it can be changed into another prime (20034992357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017496173 + 10017496174.

It is an arithmetic number, because the mean of its divisors is an integer number (10017496174).

Almost surely, 2^20034992347 is an apocalyptic number.

20034992347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034992347 is an equidigital number, since it uses as much as digits as its factorization.

20034992347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 20034992347 in words is "twenty billion, thirty-four million, nine hundred ninety-two thousand, three hundred forty-seven".