1232332220 has 24 divisors (see below), whose sum is σ = 2957597664. Its totient is φ = 422513856.

The previous prime is 1232332201. The next prime is 1232332253. The reversal of 1232332220 is 222332321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1232332192 and 1232332201.

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, 4401047 + ... + 4401326.

It is an arithmetic number, because the mean of its divisors is an integer number (123233236).

Almost surely, 2^1232332220 is an apocalyptic number.

1232332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232332220 is an abundant number, since it is smaller than the sum of its proper divisors (1725265444).

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

1232332220 is a wasteful number, since it uses less digits than its factorization.

1232332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8802389 (or 8802387 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1232332220 is about 35104.5897284102. The cubic root of 1232332220 is about 1072.1180336637.

Adding to 1232332220 its reverse (222332321), we get a palindrome (1454664541).

The spelling of 1232332220 in words is "one billion, two hundred thirty-two million, three hundred thirty-two thousand, two hundred twenty".