1230020232 has 128 divisors (see below), whose sum is σ = 3664527360. Its totient is φ = 336648960.

The previous prime is 1230020191. The next prime is 1230020249. The reversal of 1230020232 is 2320200321.

It is a super-2 number, since 2×1230020232² = 3025899542258667648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535278 + ... + 537570.

It is an arithmetic number, because the mean of its divisors is an integer number (28629120).

Almost surely, 2^1230020232 is an apocalyptic number.

1230020232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230020232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832263680).

1230020232 is an abundant number, since it is smaller than the sum of its proper divisors (2434507128).

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

1230020232 is a wasteful number, since it uses less digits than its factorization.

1230020232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1230020232 is about 35071.6442728310. The cubic root of 1230020232 is about 1071.4471442926.

Adding to 1230020232 its reverse (2320200321), we get a palindrome (3550220553).

The spelling of 1230020232 in words is "one billion, two hundred thirty million, twenty thousand, two hundred thirty-two".