1327089420 has 120 divisors (see below), whose sum is σ = 4344256224. Its totient is φ = 338494464.

The previous prime is 1327089331. The next prime is 1327089431. The reversal of 1327089420 is 249807231.

It is a super-2 number, since 2×1327089420² = 3522332657351872800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19452 + ... + 55068.

Almost surely, 2^1327089420 is an apocalyptic number.

1327089420 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 1327089420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172128112).

1327089420 is an abundant number, since it is smaller than the sum of its proper divisors (3017166804).

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

1327089420 is a wasteful number, since it uses less digits than its factorization.

1327089420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35661 (or 35650 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1327089420 is about 36429.2385317069. The cubic root of 1327089420 is about 1098.9216484505.

The spelling of 1327089420 in words is "one billion, three hundred twenty-seven million, eighty-nine thousand, four hundred twenty".