20144341056 has 56 divisors (see below), whose sum is σ = 60912654400. Its totient is φ = 5755525632.

The previous prime is 20144341033. The next prime is 20144341123. The reversal of 20144341056 is 65014344102.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7492831 + ... + 7495518.

Almost surely, 2^20144341056 is an apocalyptic number.

It is an amenable number.

20144341056 is an abundant number, since it is smaller than the sum of its proper divisors (40768313344).

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

20144341056 is a wasteful number, since it uses less digits than its factorization.

20144341056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14988371 (or 14988361 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20144341056 its reverse (65014344102), we get a palindrome (85158685158).

The spelling of 20144341056 in words is "twenty billion, one hundred forty-four million, three hundred forty-one thousand, fifty-six".