27321672120 has 128 divisors (see below), whose sum is σ = 83008929600. Its totient is φ = 7193235456.

The previous prime is 27321672061. The next prime is 27321672143. The reversal of 27321672120 is 2127612372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9364902 + ... + 9367818.

Almost surely, 2^27321672120 is an apocalyptic number.

27321672120 is a gapful number since it is divisible by the number (20) 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 27321672120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41504464800).

27321672120 is an abundant number, since it is smaller than the sum of its proper divisors (55687257480).

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

27321672120 is a wasteful number, since it uses less digits than its factorization.

27321672120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 27321672120 in words is "twenty-seven billion, three hundred twenty-one million, six hundred seventy-two thousand, one hundred twenty".