1503233220 has 48 divisors (see below), whose sum is σ = 4216157568. Its totient is φ = 400185600.

The previous prime is 1503233213. The next prime is 1503233233. The reversal of 1503233220 is 223323051.

It is a super-2 number, since 2×1503233220² = 4519420227423136800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15217 + ... + 56903.

It is an arithmetic number, because the mean of its divisors is an integer number (87836616).

Almost surely, 2^1503233220 is an apocalyptic number.

1503233220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1503233220 is an abundant number, since it is smaller than the sum of its proper divisors (2712924348).

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

1503233220 is a wasteful number, since it uses less digits than its factorization.

1503233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42300 (or 42298 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 1503233220 is about 38771.5516841924. The cubic root of 1503233220 is about 1145.5361218729.

Adding to 1503233220 its reverse (223323051), we get a palindrome (1726556271).

The spelling of 1503233220 in words is "one billion, five hundred three million, two hundred thirty-three thousand, two hundred twenty".