1002081330 has 48 divisors (see below), whose sum is σ = 2607807384. Its totient is φ = 266976000.

The previous prime is 1002081281. The next prime is 1002081347. The reversal of 1002081330 is 331802001.

It can be written as a sum of positive squares in 4 ways, for example, as 767899521 + 234181809 = 27711^2 + 15303^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106830 + ... + 115830.

Almost surely, 2^1002081330 is an apocalyptic number.

1002081330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002081330 is an abundant number, since it is smaller than the sum of its proper divisors (1605726054).

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

1002081330 is a wasteful number, since it uses less digits than its factorization.

1002081330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10251 (or 10248 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1002081330 is about 31655.6682128177. The cubic root of 1002081330 is about 1000.6932958964.

Adding to 1002081330 its reverse (331802001), we get a palindrome (1333883331).

The spelling of 1002081330 in words is "one billion, two million, eighty-one thousand, three hundred thirty".