202011331230 has 96 divisors (see below), whose sum is σ = 535615464384. Its totient is φ = 52813306368.

The previous prime is 202011331169. The next prime is 202011331241. The reversal of 202011331230 is 32133110202.

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

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1005132 + ... + 1189248.

It is an arithmetic number, because the mean of its divisors is an integer number (5579327754).

Almost surely, 2^202011331230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202011331230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267807732192).

202011331230 is an abundant number, since it is smaller than the sum of its proper divisors (333604133154).

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

202011331230 is a wasteful number, since it uses less digits than its factorization.

202011331230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184370 (or 184367 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 202011331230 its reverse (32133110202), we get a palindrome (234144441432).

The spelling of 202011331230 in words is "two hundred two billion, eleven million, three hundred thirty-one thousand, two hundred thirty".