1030323220 has 24 divisors (see below), whose sum is σ = 2185105608. Its totient is φ = 408048000.

The previous prime is 1030323211. The next prime is 1030323247. The reversal of 1030323220 is 223230301.

It can be written as a sum of positive squares in 4 ways, for example, as 377214084 + 653109136 = 19422^2 + 25556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1030323194 and 1030323203.

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, 253011 + ... + 257050.

It is an arithmetic number, because the mean of its divisors is an integer number (91046067).

Almost surely, 2^1030323220 is an apocalyptic number.

1030323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030323220 is an abundant number, since it is smaller than the sum of its proper divisors (1154782388).

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

1030323220 is a wasteful number, since it uses less digits than its factorization.

1030323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510171 (or 510169 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1030323220 is about 32098.6482581432. The cubic root of 1030323220 is about 1010.0072606739.

Adding to 1030323220 its reverse (223230301), we get a palindrome (1253553521).

The spelling of 1030323220 in words is "one billion, thirty million, three hundred twenty-three thousand, two hundred twenty".