8001420 has 48 divisors (see below), whose sum is σ = 25605888. Its totient is φ = 1828800.

The previous prime is 8001359. The next prime is 8001491. The reversal of 8001420 is 241008.

8001420 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8001420.

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, 9106 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (533456).

Almost surely, 2^8001420 is an apocalyptic number.

It is an amenable number.

8001420 is an abundant number, since it is smaller than the sum of its proper divisors (17604468).

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

8001420 is a wasteful number, since it uses less digits than its factorization.

8001420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19070 (or 19068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 8001420 is about 2828.6781365154. The cubic root of 8001420 is about 200.0118326333.

Adding to 8001420 its reverse (241008), we get a palindrome (8242428).

The spelling of 8001420 in words is "eight million, one thousand, four hundred twenty".