1000024220 has 24 divisors (see below), whose sum is σ = 2261593824. Its totient is φ = 369239616.

The previous prime is 1000024189. The next prime is 1000024229. The reversal of 1000024220 is 224200001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000024229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922864 + ... + 1923383.

It is an arithmetic number, because the mean of its divisors is an integer number (94233076).

Almost surely, 2^1000024220 is an apocalyptic number.

1000024220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000024220 is an abundant number, since it is smaller than the sum of its proper divisors (1261569604).

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

1000024220 is a wasteful number, since it uses less digits than its factorization.

1000024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846269 (or 3846267 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1000024220 is about 31623.1595511897. The cubic root of 1000024220 is about 1000.0080732682.

Adding to 1000024220 its reverse (224200001), we get a palindrome (1224224221).

The spelling of 1000024220 in words is "one billion, twenty-four thousand, two hundred twenty".