20045224319 has 2 divisors, whose sum is σ = 20045224320. Its totient is φ = 20045224318.

The previous prime is 20045224307. The next prime is 20045224337. The reversal of 20045224319 is 91342254002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20045224319 is a prime.

It is a super-2 number, since 2×20045224319² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20045224349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022612159 + 10022612160.

It is an arithmetic number, because the mean of its divisors is an integer number (10022612160).

Almost surely, 2^20045224319 is an apocalyptic number.

20045224319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20045224319 is an equidigital number, since it uses as much as digits as its factorization.

20045224319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20045224319 in words is "twenty billion, forty-five million, two hundred twenty-four thousand, three hundred nineteen".