20144342244 has 24 divisors (see below), whose sum is σ = 50619116800. Its totient is φ = 6198259104.

The previous prime is 20144342243. The next prime is 20144342263. The reversal of 20144342244 is 44224344102.

It is not an unprimeable number, because it can be changed into a prime (20144342243) 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, 64565044 + ... + 64565355.

Almost surely, 2^20144342244 is an apocalyptic number.

It is an amenable number.

20144342244 is an abundant number, since it is smaller than the sum of its proper divisors (30474774556).

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

20144342244 is a wasteful number, since it uses less digits than its factorization.

20144342244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129130419 (or 129130417 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20144342244 its reverse (44224344102), we get a palindrome (64368686346).

The spelling of 20144342244 in words is "twenty billion, one hundred forty-four million, three hundred forty-two thousand, two hundred forty-four".