1230200240 has 40 divisors (see below), whose sum is σ = 3028466880. Its totient is φ = 463133696.

The previous prime is 1230200183. The next prime is 1230200243. The reversal of 1230200240 is 420020321.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1230200243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450920 + ... + 453639.

It is an arithmetic number, because the mean of its divisors is an integer number (75711672).

Almost surely, 2^1230200240 is an apocalyptic number.

1230200240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230200240 is an abundant number, since it is smaller than the sum of its proper divisors (1798266640).

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

1230200240 is a wasteful number, since it uses less digits than its factorization.

1230200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904589 (or 904583 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1230200240 is about 35074.2104686620. The cubic root of 1230200240 is about 1071.4994089207.

Adding to 1230200240 its reverse (420020321), we get a palindrome (1650220561).

The spelling of 1230200240 in words is "one billion, two hundred thirty million, two hundred thousand, two hundred forty".