20041431344 has 80 divisors (see below), whose sum is σ = 44959205760. Its totient is φ = 8630107200.

The previous prime is 20041431341. The next prime is 20041431419. The reversal of 20041431344 is 44313414002.

It is not an unprimeable number, because it can be changed into a prime (20041431341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379859 + ... + 429389.

It is an arithmetic number, because the mean of its divisors is an integer number (561990072).

Almost surely, 2^20041431344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20041431344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22479602880).

20041431344 is an abundant number, since it is smaller than the sum of its proper divisors (24917774416).

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

20041431344 is a wasteful number, since it uses less digits than its factorization.

20041431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49591 (or 49563 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20041431344 its reverse (44313414002), we get a palindrome (64354845346).

The spelling of 20041431344 in words is "twenty billion, forty-one million, four hundred thirty-one thousand, three hundred forty-four".