1233132220 has 12 divisors (see below), whose sum is σ = 2589577704. Its totient is φ = 493252880.

The previous prime is 1233132217. The next prime is 1233132227. The reversal of 1233132220 is 222313321.

It is a super-3 number, since 3×1233132220³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233132227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30828286 + ... + 30828325.

It is an arithmetic number, because the mean of its divisors is an integer number (215798142).

Almost surely, 2^1233132220 is an apocalyptic number.

1233132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233132220 is an abundant number, since it is smaller than the sum of its proper divisors (1356445484).

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

1233132220 is a wasteful number, since it uses less digits than its factorization.

1233132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61656620 (or 61656618 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1233132220 is about 35115.9824011802. The cubic root of 1233132220 is about 1072.3499810995.

Adding to 1233132220 its reverse (222313321), we get a palindrome (1455445541).

It can be divided in two parts, 12331 and 32220, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 1233132220 in words is "one billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty".