1303220032 has 56 divisors (see below), whose sum is σ = 2734096640. Its totient is φ = 614615040.

The previous prime is 1303220029. The next prime is 1303220041. The reversal of 1303220032 is 2300223031.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1303219988 and 1303220015.

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, 290833 + ... + 295279.

Almost surely, 2^1303220032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367048320).

1303220032 is an abundant number, since it is smaller than the sum of its proper divisors (1430876608).

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

1303220032 is a wasteful number, since it uses less digits than its factorization.

1303220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4719 (or 4709 counting only the distinct ones).

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

The square root of 1303220032 is about 36100.1389471010. The cubic root of 1303220032 is about 1092.2932477787.

Adding to 1303220032 its reverse (2300223031), we get a palindrome (3603443063).

Subtracting 1303220032 from its reverse (2300223031), we obtain a cube (997002999 = 999³).

The spelling of 1303220032 in words is "one billion, three hundred three million, two hundred twenty thousand, thirty-two".