320203351125454 has 24 divisors (see below), whose sum is σ = 483910699231008. Its totient is φ = 158908674637440.

The previous prime is 320203351125433. The next prime is 320203351125491. The reversal of 320203351125454 is 454521153302023.

It is a super-2 number, since 2×320203351125454² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245335659 + ... + 246637369.

It is an arithmetic number, because the mean of its divisors is an integer number (20162945801292).

Almost surely, 2^{320203351125454} is an apocalyptic number.

320203351125454 is a deficient number, since it is larger than the sum of its proper divisors (163707348105554).

320203351125454 is a wasteful number, since it uses less digits than its factorization.

320203351125454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308540 (or 1308403 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 320203351125454 in words is "three hundred twenty trillion, two hundred three billion, three hundred fifty-one million, one hundred twenty-five thousand, four hundred fifty-four".