202013232330 has 192 divisors, whose sum is σ = 616214746368. Its totient is φ = 41470341120.

The previous prime is 202013232319. The next prime is 202013232331. The reversal of 202013232330 is 33232310202.

202013232330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 202013232297 and 202013232306.

It is not an unprimeable number, because it can be changed into a prime (202013232331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1236210 + ... + 1390050.

It is an arithmetic number, because the mean of its divisors is an integer number (3209451804).

Almost surely, 2^202013232330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202013232330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308107373184).

202013232330 is an abundant number, since it is smaller than the sum of its proper divisors (414201514038).

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

202013232330 is a wasteful number, since it uses less digits than its factorization.

202013232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153921 (or 153908 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 202013232330 its reverse (33232310202), we get a palindrome (235245542532).

The spelling of 202013232330 in words is "two hundred two billion, thirteen million, two hundred thirty-two thousand, three hundred thirty".