230203101101220 has 144 divisors (see below), whose sum is σ = 754163937334080. Its totient is φ = 56502077730048.

The previous prime is 230203101101209. The next prime is 230203101101221. The reversal of 230203101101220 is 22101101302032.

230203101101220 is a `hidden beast` number, since 2 + 3 + 0 + 20 + 310 + 110 + 1 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 230203101101193 and 230203101101202.

It is not an unprimeable number, because it can be changed into a prime (230203101101221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140942190 + ... + 142566149.

It is an arithmetic number, because the mean of its divisors is an integer number (5237249564820).

Almost surely, 2^{230203101101220} is an apocalyptic number.

230203101101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230203101101220 is an abundant number, since it is smaller than the sum of its proper divisors (523960836232860).

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

230203101101220 is a wasteful number, since it uses less digits than its factorization.

230203101101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283508714 (or 283508709 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 230203101101220 its reverse (22101101302032), we get a palindrome (252304202403252).

The spelling of 230203101101220 in words is "two hundred thirty trillion, two hundred three billion, one hundred one million, one hundred one thousand, two hundred twenty".