201230323020 has 72 divisors (see below), whose sum is σ = 612602403504. Its totient is φ = 53467682688.

The previous prime is 201230323001. The next prime is 201230323031. The reversal of 201230323020 is 20323032102.

It is a happy number.

201230323020 is a `hidden beast` number, since 201 + 230 + 3 + 230 + 2 + 0 = 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 = 201230322984 and 201230323002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1968094 + ... + 2067813.

Almost surely, 2^201230323020 is an apocalyptic number.

201230323020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201230323020 is an abundant number, since it is smaller than the sum of its proper divisors (411372080484).

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

201230323020 is a wasteful number, since it uses less digits than its factorization.

201230323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036199 (or 4036194 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 201230323020 its reverse (20323032102), we get a palindrome (221553355122).

The spelling of 201230323020 in words is "two hundred one billion, two hundred thirty million, three hundred twenty-three thousand, twenty".