1327019420 has 24 divisors (see below), whose sum is σ = 2828336784. Its totient is φ = 522884736.

The previous prime is 1327019411. The next prime is 1327019443. The reversal of 1327019420 is 249107231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493817 + ... + 496496.

It is an arithmetic number, because the mean of its divisors is an integer number (117847366).

Almost surely, 2^1327019420 is an apocalyptic number.

1327019420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327019420 is an abundant number, since it is smaller than the sum of its proper divisors (1501317364).

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

1327019420 is a wasteful number, since it uses less digits than its factorization.

1327019420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990389 (or 990387 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1327019420 is about 36428.2777523176. The cubic root of 1327019420 is about 1098.9023265000.

The spelling of 1327019420 in words is "one billion, three hundred twenty-seven million, nineteen thousand, four hundred twenty".