230120201220 has 192 divisors, whose sum is σ = 827509616640. Its totient is φ = 46441815552.

The previous prime is 230120201219. The next prime is 230120201221. The reversal of 230120201220 is 22102021032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230120201219) and next prime (230120201221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230120201220.

It is not an unprimeable number, because it can be changed into a prime (230120201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 790650 + ... + 1041809.

It is an arithmetic number, because the mean of its divisors is an integer number (4309945920).

Almost surely, 2^230120201220 is an apocalyptic number.

230120201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230120201220 is an abundant number, since it is smaller than the sum of its proper divisors (597389415420).

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

230120201220 is a wasteful number, since it uses less digits than its factorization.

230120201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832514 (or 1832512 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 230120201220 its reverse (22102021032), we get a palindrome (252222222252).

The spelling of 230120201220 in words is "two hundred thirty billion, one hundred twenty million, two hundred one thousand, two hundred twenty".