1033231220 has 24 divisors (see below), whose sum is σ = 2479755264. Its totient is φ = 354250656.

The previous prime is 1033231211. The next prime is 1033231247. The reversal of 1033231220 is 221323301.

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 7 ways as a sum of consecutive naturals, for example, 3689972 + ... + 3690251.

It is an arithmetic number, because the mean of its divisors is an integer number (103323136).

Almost surely, 2^1033231220 is an apocalyptic number.

1033231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033231220 is an abundant number, since it is smaller than the sum of its proper divisors (1446524044).

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

1033231220 is a wasteful number, since it uses less digits than its factorization.

1033231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7380239 (or 7380237 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1033231220 is about 32143.9141984918. The cubic root of 1033231220 is about 1010.9565880765.

Adding to 1033231220 its reverse (221323301), we get a palindrome (1254554521).

It can be divided in two parts, 103 and 3231220, that added together give a palindrome (3231323).

The spelling of 1033231220 in words is "one billion, thirty-three million, two hundred thirty-one thousand, two hundred twenty".