424202020 has 96 divisors (see below), whose sum is σ = 1040086656. Its totient is φ = 143616000.

The previous prime is 424201997. The next prime is 424202029. The reversal of 424202020 is 20202424.

It is a junction number, because it is equal to n+sod(n) for n = 424201985 and 424202003.

It is not an unprimeable number, because it can be changed into a prime (424202029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377179 + ... + 378301.

It is an arithmetic number, because the mean of its divisors is an integer number (10834236).

Almost surely, 2^424202020 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 424202020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520043328).

424202020 is an abundant number, since it is smaller than the sum of its proper divisors (615884636).

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

424202020 is a wasteful number, since it uses less digits than its factorization.

424202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 424202020 is about 20596.1651770421. The cubic root of 424202020 is about 751.3764471272.

Adding to 424202020 its reverse (20202424), we get a palindrome (444404444).

The spelling of 424202020 in words is "four hundred twenty-four million, two hundred two thousand, twenty".