1003022320320 has 1344 divisors, whose sum is σ = 3957444781056. Its totient is φ = 231871610880.

The previous prime is 1003022320301. The next prime is 1003022320543. The reversal of 1003022320320 is 230232203001.

It is a happy number.

1003022320320 is a `hidden beast` number, since 1 + 0 + 0 + 3 + 0 + 22 + 320 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1003022320293 and 1003022320302.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2976327192 + ... + 2976327528.

Almost surely, 2^{1003022320320} is an apocalyptic number.

1003022320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003022320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1978722390528).

1003022320320 is an abundant number, since it is smaller than the sum of its proper divisors (2954422460736).

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

1003022320320 is a wasteful number, since it uses less digits than its factorization.

1003022320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 1003022320320 its reverse (230232203001), we get a palindrome (1233254523321).

The spelling of 1003022320320 in words is "one trillion, three billion, twenty-two million, three hundred twenty thousand, three hundred twenty".