1030322420 has 24 divisors (see below), whose sum is σ = 2166567144. Its totient is φ = 411578496.

The previous prime is 1030322399. The next prime is 1030322429. The reversal of 1030322420 is 242230301.

It can be written as a sum of positive squares in 4 ways, for example, as 49505296 + 980817124 = 7036^2 + 31318^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030322429) 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, 18887 + ... + 49166.

It is an arithmetic number, because the mean of its divisors is an integer number (90273631).

Almost surely, 2^1030322420 is an apocalyptic number.

1030322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030322420 is an abundant number, since it is smaller than the sum of its proper divisors (1136244724).

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

1030322420 is a wasteful number, since it uses less digits than its factorization.

1030322420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68819 (or 68817 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1030322420 is about 32098.6357965568. The cubic root of 1030322420 is about 1010.0069992653.

Adding to 1030322420 its reverse (242230301), we get a palindrome (1272552721).

It can be divided in two parts, 10303 and 22420, that added together give a palindrome (32723).

The spelling of 1030322420 in words is "one billion, thirty million, three hundred twenty-two thousand, four hundred twenty".