20624022443 has 2 divisors, whose sum is σ = 20624022444. Its totient is φ = 20624022442.

The previous prime is 20624022439. The next prime is 20624022479. The reversal of 20624022443 is 34422042602.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20624022443 - 2² = 20624022439 is a prime.

It is not a weakly prime, because it can be changed into another prime (20624022403) 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, 10312011221 + 10312011222.

It is an arithmetic number, because the mean of its divisors is an integer number (10312011222).

Almost surely, 2^20624022443 is an apocalyptic number.

20624022443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20624022443 is an equidigital number, since it uses as much as digits as its factorization.

20624022443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

The spelling of 20624022443 in words is "twenty billion, six hundred twenty-four million, twenty-two thousand, four hundred forty-three".