1232302520 has 32 divisors (see below), whose sum is σ = 2776392720. Its totient is φ = 492261120.

The previous prime is 1232302517. The next prime is 1232302549. The reversal of 1232302520 is 252032321.

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 = 1232302492 and 1232302501.

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, 10199 + ... + 50681.

Almost surely, 2^1232302520 is an apocalyptic number.

1232302520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232302520 is an abundant number, since it is smaller than the sum of its proper divisors (1544090200).

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

1232302520 is a wasteful number, since it uses less digits than its factorization.

1232302520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41255 (or 41251 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1232302520 is about 35104.1667042532. The cubic root of 1232302520 is about 1072.1094206828.

Adding to 1232302520 its reverse (252032321), we get a palindrome (1484334841).

The spelling of 1232302520 in words is "one billion, two hundred thirty-two million, three hundred two thousand, five hundred twenty".