27232420 has 24 divisors (see below), whose sum is σ = 57322944. Its totient is φ = 10867296.

The previous prime is 27232417. The next prime is 27232423. The reversal of 27232420 is 2423272.

It is an interprime number because it is at equal distance from previous prime (27232417) and next prime (27232423).

It is a super-4 number, since 4×27232420⁴ (a number of 31 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27232391 and 27232400.

It is not an unprimeable number, because it can be changed into a prime (27232423) 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, 8707 + ... + 11413.

It is an arithmetic number, because the mean of its divisors is an integer number (2388456).

Almost surely, 2^27232420 is an apocalyptic number.

27232420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27232420 is an abundant number, since it is smaller than the sum of its proper divisors (30090524).

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

27232420 is a wasteful number, since it uses less digits than its factorization.

27232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 27232420 is about 5218.4691241781. The cubic root of 27232420 is about 300.8583565526.

Adding to 27232420 its reverse (2423272), we get a palindrome (29655692).

The spelling of 27232420 in words is "twenty-seven million, two hundred thirty-two thousand, four hundred twenty".