1333312420 has 24 divisors (see below), whose sum is σ = 3054498048. Its totient is φ = 484840800.

The previous prime is 1333312411. The next prime is 1333312423. The reversal of 1333312420 is 242133331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1333312391 and 1333312400.

It is not an unprimeable number, because it can be changed into a prime (1333312423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030036 + ... + 3030475.

It is an arithmetic number, because the mean of its divisors is an integer number (127270752).

Almost surely, 2^1333312420 is an apocalyptic number.

1333312420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1333312420 is an abundant number, since it is smaller than the sum of its proper divisors (1721185628).

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

1333312420 is a wasteful number, since it uses less digits than its factorization.

1333312420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060531 (or 6060529 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1333312420 is about 36514.5507982777. The cubic root of 1333312420 is about 1100.6366617427.

Adding to 1333312420 its reverse (242133331), we get a palindrome (1575445751).

Subtracting from 1333312420 its reverse (242133331), we obtain a square (1091179089 = 33033²).

The spelling of 1333312420 in words is "one billion, three hundred thirty-three million, three hundred twelve thousand, four hundred twenty".