1333420380 has 120 divisors (see below), whose sum is σ = 4403248080. Its totient is φ = 336856320.

The previous prime is 1333420367. The next prime is 1333420397. The reversal of 1333420380 is 830243331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9120 + ... + 52440.

It is an arithmetic number, because the mean of its divisors is an integer number (36693734).

Almost surely, 2^1333420380 is an apocalyptic number.

1333420380 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 1333420380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2201624040).

1333420380 is an abundant number, since it is smaller than the sum of its proper divisors (3069827700).

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

1333420380 is a wasteful number, since it uses less digits than its factorization.

1333420380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43361 (or 43350 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1333420380 is about 36516.0290831301. The cubic root of 1333420380 is about 1100.6663675904. Note that the first 3 decimals are identical.

The spelling of 1333420380 in words is "one billion, three hundred thirty-three million, four hundred twenty thousand, three hundred eighty".