1330023100 has 72 divisors (see below), whose sum is σ = 3320565248. Its totient is φ = 452952000.

The previous prime is 1330023083. The next prime is 1330023109. The reversal of 1330023100 is 13200331.

It is a super-2 number, since 2×1330023100² = 3537922893067220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330023109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99409 + ... + 111991.

Almost surely, 2^1330023100 is an apocalyptic number.

1330023100 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 1330023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660282624).

1330023100 is an abundant number, since it is smaller than the sum of its proper divisors (1990542148).

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

1330023100 is a wasteful number, since it uses less digits than its factorization.

1330023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12755 (or 12748 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1330023100 is about 36469.4817621529. The cubic root of 1330023100 is about 1099.7308156752.

Adding to 1330023100 its reverse (13200331), we get a palindrome (1343223431).

The spelling of 1330023100 in words is "one billion, three hundred thirty million, twenty-three thousand, one hundred".