1320542334 has 24 divisors (see below), whose sum is σ = 2876989752. Its totient is φ = 437747760.

The previous prime is 1320542299. The next prime is 1320542339. The reversal of 1320542334 is 4332450231.

1320542334 is a `hidden beast` number, since 1 + 3 + 205 + 423 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1320542298 and 1320542307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320542339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199404 + ... + 205919.

It is an arithmetic number, because the mean of its divisors is an integer number (119874573).

Almost surely, 2^1320542334 is an apocalyptic number.

1320542334 is an abundant number, since it is smaller than the sum of its proper divisors (1556447418).

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

1320542334 is a wasteful number, since it uses less digits than its factorization.

1320542334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405512 (or 405509 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 1320542334 is about 36339.2671087351. The cubic root of 1320542334 is about 1097.1115220921. Note that the first 3 decimals are identical.

Adding to 1320542334 its reverse (4332450231), we get a palindrome (5652992565).

The spelling of 1320542334 in words is "one billion, three hundred twenty million, five hundred forty-two thousand, three hundred thirty-four".