1010003220 has 72 divisors (see below), whose sum is σ = 3066336000. Its totient is φ = 269100480.

The previous prime is 1010003191. The next prime is 1010003233. The reversal of 1010003220 is 223000101.

It is a happy number.

1010003220 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 (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 335281 + ... + 338279.

It is an arithmetic number, because the mean of its divisors is an integer number (42588000).

Almost surely, 2^1010003220 is an apocalyptic number.

1010003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010003220 is an abundant number, since it is smaller than the sum of its proper divisors (2056332780).

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

1010003220 is a wasteful number, since it uses less digits than its factorization.

1010003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1010003220 is about 31780.5478241015. The cubic root of 1010003220 is about 1003.3233497778.

Adding to 1010003220 its reverse (223000101), we get a palindrome (1233003321).

The spelling of 1010003220 in words is "one billion, ten million, three thousand, two hundred twenty".