20144324413552 has 20 divisors (see below), whose sum is σ = 39125055528640. Its totient is φ = 10047535890048.

The previous prime is 20144324413531. The next prime is 20144324413561. The reversal of 20144324413552 is 25531442344102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539138048 + ... + 1539151135.

It is an arithmetic number, because the mean of its divisors is an integer number (1956252776432).

Almost surely, 2^{20144324413552} is an apocalyptic number.

It is an amenable number.

20144324413552 is a deficient number, since it is larger than the sum of its proper divisors (18980731115088).

20144324413552 is a wasteful number, since it uses less digits than its factorization.

20144324413552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078289600 (or 3078289594 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 20144324413552 its reverse (25531442344102), we get a palindrome (45675766757654).

The spelling of 20144324413552 in words is "twenty trillion, one hundred forty-four billion, three hundred twenty-four million, four hundred thirteen thousand, five hundred fifty-two".