20340210044 has 96 divisors (see below), whose sum is σ = 46320325632. Its totient is φ = 7585344000.

The previous prime is 20340210043. The next prime is 20340210053. The reversal of 20340210044 is 44001204302.

It is a junction number, because it is equal to n+sod(n) for n = 20340209998 and 20340210025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20340210043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654089 + ... + 684479.

It is an arithmetic number, because the mean of its divisors is an integer number (482503392).

Almost surely, 2^20340210044 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 20340210044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23160162816).

20340210044 is an abundant number, since it is smaller than the sum of its proper divisors (25980115588).

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

20340210044 is a wasteful number, since it uses less digits than its factorization.

20340210044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30507 (or 30505 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20340210044 its reverse (44001204302), we get a palindrome (64341414346).

The spelling of 20340210044 in words is "twenty billion, three hundred forty million, two hundred ten thousand, forty-four".