20144503425707 has 8 divisors (see below), whose sum is σ = 20218013634336. Its totient is φ = 20071107631872.

The previous prime is 20144503425691. The next prime is 20144503425731. The reversal of 20144503425707 is 70752430544102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20144503425707 - 2⁴ = 20144503425691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20144503425757) 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, 28250918 + ... + 28955195.

It is an arithmetic number, because the mean of its divisors is an integer number (2527251704292).

Almost surely, 2^{20144503425707} is an apocalyptic number.

20144503425707 is a deficient number, since it is larger than the sum of its proper divisors (73510208629).

20144503425707 is an equidigital number, since it uses as much as digits as its factorization.

20144503425707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57207397.

The product of its (nonzero) digits is 940800, while the sum is 44.

Adding to 20144503425707 its reverse (70752430544102), we get a palindrome (90896933969809).

The spelling of 20144503425707 in words is "twenty trillion, one hundred forty-four billion, five hundred three million, four hundred twenty-five thousand, seven hundred seven".