427020 has 48 divisors (see below), whose sum is σ = 1306368. Its totient is φ = 103360.

The previous prime is 427013. The next prime is 427039. The reversal of 427020 is 20724.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337 + ... + 983.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2⁴²⁷⁰²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653184).

427020 is an abundant number, since it is smaller than the sum of its proper divisors (879348).

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

427020 is a wasteful number, since it uses less digits than its factorization.

427020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 427020 is about 653.4676732632. The cubic root of 427020 is about 75.3036577889.

Adding to 427020 its reverse (20724), we get a palindrome (447744).

The spelling of 427020 in words is "four hundred twenty-seven thousand, twenty", and thus it is an iban number.