1230333220 has 24 divisors (see below), whose sum is σ = 2719684800. Its totient is φ = 466231392.

The previous prime is 1230333211. The next prime is 1230333229. The reversal of 1230333220 is 223330321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230333211) and next prime (1230333229).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1230333229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618480 + ... + 1619239.

It is an arithmetic number, because the mean of its divisors is an integer number (113320200).

Almost surely, 2^1230333220 is an apocalyptic number.

1230333220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230333220 is an abundant number, since it is smaller than the sum of its proper divisors (1489351580).

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

1230333220 is a wasteful number, since it uses less digits than its factorization.

1230333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237747 (or 3237745 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1230333220 is about 35076.1061122810. The cubic root of 1230333220 is about 1071.5380158762.

Adding to 1230333220 its reverse (223330321), we get a palindrome (1453663541).

It can be divided in two parts, 123033 and 3220, that added together give a triangular number (126253 = T₅₀₂).

The spelling of 1230333220 in words is "one billion, two hundred thirty million, three hundred thirty-three thousand, two hundred twenty".