4012002420 has 24 divisors (see below), whose sum is σ = 11233606944. Its totient is φ = 1069867296.

The previous prime is 4012002367. The next prime is 4012002443. The reversal of 4012002420 is 242002104.

4012002420 is digitally balanced in base 2, 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 4012002420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33433294 + ... + 33433413.

It is an arithmetic number, because the mean of its divisors is an integer number (468066956).

Almost surely, 2^4012002420 is an apocalyptic number.

It is an amenable number.

4012002420 is an abundant number, since it is smaller than the sum of its proper divisors (7221604524).

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

4012002420 is a wasteful number, since it uses less digits than its factorization.

4012002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66866719 (or 66866717 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4012002420 is about 63340.3695915962. The cubic root of 4012002420 is about 1588.9871877467.

Adding to 4012002420 its reverse (242002104), we get a palindrome (4254004524).

The spelling of 4012002420 in words is "four billion, twelve million, two thousand, four hundred twenty".