20440414512 has 120 divisors (see below), whose sum is σ = 65955805344. Its totient is φ = 5788403712.

The previous prime is 20440414493. The next prime is 20440414517. The reversal of 20440414512 is 21541404402.

20440414512 is a `hidden beast` number, since 204 + 4 + 0 + 4 + 1 + 451 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (20440414517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24178 + ... + 203630.

Almost surely, 2^20440414512 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 20440414512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32977902672).

20440414512 is an abundant number, since it is smaller than the sum of its proper divisors (45515390832).

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

20440414512 is a wasteful number, since it uses less digits than its factorization.

20440414512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179587 (or 179578 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 20440414512 its reverse (21541404402), we get a palindrome (41981818914).

The spelling of 20440414512 in words is "twenty billion, four hundred forty million, four hundred fourteen thousand, five hundred twelve".