20044127818 has 16 divisors (see below), whose sum is σ = 35322519456. Its totient is φ = 8410123440.

The previous prime is 20044127813. The next prime is 20044127827. The reversal of 20044127818 is 81872144002.

It is a happy number.

It is a super-2 number, since 2×20044127818² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20044127813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35041896 + ... + 35042467.

It is an arithmetic number, because the mean of its divisors is an integer number (2207657466).

Almost surely, 2^20044127818 is an apocalyptic number.

20044127818 is a deficient number, since it is larger than the sum of its proper divisors (15278391638).

20044127818 is a wasteful number, since it uses less digits than its factorization.

20044127818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70084389.

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 20044127818 in words is "twenty billion, forty-four million, one hundred twenty-seven thousand, eight hundred eighteen".