4202420 has 24 divisors (see below), whose sum is σ = 9290400. Its totient is φ = 1592352.

The previous prime is 4202413. The next prime is 4202447. The reversal of 4202420 is 242024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4202395 and 4202404.

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, 5150 + ... + 5909.

It is an arithmetic number, because the mean of its divisors is an integer number (387100).

Almost surely, 2^4202420 is an apocalyptic number.

It is an amenable number.

4202420 is an abundant number, since it is smaller than the sum of its proper divisors (5087980).

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

4202420 is a wasteful number, since it uses less digits than its factorization.

4202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11087 (or 11085 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4202420 is about 2049.9804877120. The cubic root of 4202420 is about 161.3738467267.

Adding to 4202420 its reverse (242024), we get a palindrome (4444444).

The spelling of 4202420 in words is "four million, two hundred two thousand, four hundred twenty".