20140344016 has 40 divisors (see below), whose sum is σ = 42065205224. Its totient is φ = 9286341120.

The previous prime is 20140343987. The next prime is 20140344019. The reversal of 20140344016 is 61044304102.

It can be written as a sum of positive squares in 4 ways, for example, as 873793600 + 19266550416 = 29560^2 + 138804^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140344019) 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, 164950 + ... + 259786.

Almost surely, 2^20140344016 is an apocalyptic number.

20140344016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20140344016 is an abundant number, since it is smaller than the sum of its proper divisors (21924861208).

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

20140344016 is a wasteful number, since it uses less digits than its factorization.

20140344016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95879 (or 95873 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20140344016 its reverse (61044304102), we get a palindrome (81184648118).

The spelling of 20140344016 in words is "twenty billion, one hundred forty million, three hundred forty-four thousand, sixteen".