20404443414 has 16 divisors (see below), whose sum is σ = 40821826752. Its totient is φ = 6799324488.

The previous prime is 20404443407. The next prime is 20404443419. The reversal of 20404443414 is 41434440402.

It is a super-2 number, since 2×20404443414² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404443419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518604 + ... + 556559.

It is an arithmetic number, because the mean of its divisors is an integer number (2551364172).

Almost surely, 2^20404443414 is an apocalyptic number.

20404443414 is an abundant number, since it is smaller than the sum of its proper divisors (20417383338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20404443414 is a wasteful number, since it uses less digits than its factorization.

20404443414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078331.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20404443414 its reverse (41434440402), we get a palindrome (61838883816).

The spelling of 20404443414 in words is "twenty billion, four hundred four million, four hundred forty-three thousand, four hundred fourteen".