1424204220 has 24 divisors (see below), whose sum is σ = 3987771984. Its totient is φ = 379787776.

The previous prime is 1424204209. The next prime is 1424204251. The reversal of 1424204220 is 224024241.

1424204220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 11868309 + ... + 11868428.

It is an arithmetic number, because the mean of its divisors is an integer number (166157166).

Almost surely, 2^1424204220 is an apocalyptic number.

1424204220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424204220 is an abundant number, since it is smaller than the sum of its proper divisors (2563567764).

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

1424204220 is a wasteful number, since it uses less digits than its factorization.

1424204220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23736749 (or 23736747 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1424204220 is about 37738.6303408060. The cubic root of 1424204220 is about 1125.0990451070.

Adding to 1424204220 its reverse (224024241), we get a palindrome (1648228461).

The spelling of 1424204220 in words is "one billion, four hundred twenty-four million, two hundred four thousand, two hundred twenty".