20744070719 has 8 divisors (see below), whose sum is σ = 20767993008. Its totient is φ = 20720165760.

The previous prime is 20744070709. The next prime is 20744070751. The reversal of 20744070719 is 91707044702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20744070719 is a prime.

It is a super-2 number, since 2×20744070719² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20744070709) 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 in 7 ways as a sum of consecutive naturals, for example, 5348609 + ... + 5352485.

It is an arithmetic number, because the mean of its divisors is an integer number (2595999126).

Almost surely, 2^20744070719 is an apocalyptic number.

20744070719 is a deficient number, since it is larger than the sum of its proper divisors (23922289).

20744070719 is a wasteful number, since it uses less digits than its factorization.

20744070719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8665.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 20744070719 in words is "twenty billion, seven hundred forty-four million, seventy thousand, seven hundred nineteen".