20023210022947 has 2 divisors, whose sum is σ = 20023210022948. Its totient is φ = 20023210022946.

The previous prime is 20023210022911. The next prime is 20023210023017. The reversal of 20023210022947 is 74922001232002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023210022947 - 2¹¹ = 20023210020899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20023210022047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011605011473 + 10011605011474.

It is an arithmetic number, because the mean of its divisors is an integer number (10011605011474).

Almost surely, 2^{20023210022947} is an apocalyptic number.

20023210022947 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023210022947 is an equidigital number, since it uses as much as digits as its factorization.

20023210022947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 20023210022947 its reverse (74922001232002), we get a palindrome (94945211254949).

The spelling of 20023210022947 in words is "twenty trillion, twenty-three billion, two hundred ten million, twenty-two thousand, nine hundred forty-seven".