20448762313018 has 32 divisors (see below), whose sum is σ = 34994814462720. Its totient is φ = 8877868634880.

The previous prime is 20448762313003. The next prime is 20448762313027. The reversal of 20448762313018 is 81031326784402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11824278 + ... + 13442881.

It is an arithmetic number, because the mean of its divisors is an integer number (1093587951960).

Almost surely, 2^{20448762313018} is an apocalyptic number.

20448762313018 is a deficient number, since it is larger than the sum of its proper divisors (14546052149702).

20448762313018 is a wasteful number, since it uses less digits than its factorization.

20448762313018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25269022.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 20448762313018 in words is "twenty trillion, four hundred forty-eight billion, seven hundred sixty-two million, three hundred thirteen thousand, eighteen".