20340444104 has 32 divisors (see below), whose sum is σ = 40892947200. Its totient is φ = 9450804480.

The previous prime is 20340444101. The next prime is 20340444109. The reversal of 20340444104 is 40144404302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20340444101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935852 + ... + 957339.

It is an arithmetic number, because the mean of its divisors is an integer number (1277904600).

Almost surely, 2^20340444104 is an apocalyptic number.

It is an amenable number.

20340444104 is an abundant number, since it is smaller than the sum of its proper divisors (20552503096).

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

20340444104 is a wasteful number, since it uses less digits than its factorization.

20340444104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893293 (or 1893289 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20340444104 its reverse (40144404302), we get a palindrome (60484848406).

The spelling of 20340444104 in words is "twenty billion, three hundred forty million, four hundred forty-four thousand, one hundred four".