1030143220 has 96 divisors (see below), whose sum is σ = 2386298880. Its totient is φ = 371804160.

The previous prime is 1030143209. The next prime is 1030143241. The reversal of 1030143220 is 223410301.

It is a happy number.

It is a super-2 number, since 2×1030143220² = 2122390107423936800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030143194 and 1030143203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1882987 + ... + 1883533.

It is an arithmetic number, because the mean of its divisors is an integer number (24857280).

Almost surely, 2^1030143220 is an apocalyptic number.

1030143220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1030143220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193149440).

1030143220 is an abundant number, since it is smaller than the sum of its proper divisors (1356155660).

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

1030143220 is a wasteful number, since it uses less digits than its factorization.

1030143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030143220 is about 32095.8442792833. The cubic root of 1030143220 is about 1009.9484403311.

Adding to 1030143220 its reverse (223410301), we get a palindrome (1253553521).

The spelling of 1030143220 in words is "one billion, thirty million, one hundred forty-three thousand, two hundred twenty".