20040522347 has 2 divisors, whose sum is σ = 20040522348. Its totient is φ = 20040522346.

The previous prime is 20040522317. The next prime is 20040522379. The reversal of 20040522347 is 74322504002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20040522347 - 2⁸ = 20040522091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20040522317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10020261173 + 10020261174.

It is an arithmetic number, because the mean of its divisors is an integer number (10020261174).

Almost surely, 2^20040522347 is an apocalyptic number.

20040522347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20040522347 is an equidigital number, since it uses as much as digits as its factorization.

20040522347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 29.

The spelling of 20040522347 in words is "twenty billion, forty million, five hundred twenty-two thousand, three hundred forty-seven".