202030122030 has 192 divisors, whose sum is σ = 538678038528. Its totient is φ = 48454560000.

The previous prime is 202030122013. The next prime is 202030122037. The reversal of 202030122030 is 30221030202.

202030122030 is digitally balanced in base 2 and base 3, because in such bases 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 (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202030122037) 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, 146291940 + ... + 146293320.

It is an arithmetic number, because the mean of its divisors is an integer number (2805614784).

Almost surely, 2^202030122030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202030122030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269339019264).

202030122030 is an abundant number, since it is smaller than the sum of its proper divisors (336647916498).

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

202030122030 is a wasteful number, since it uses less digits than its factorization.

202030122030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202030122030 its reverse (30221030202), we get a palindrome (232251152232).

The spelling of 202030122030 in words is "two hundred two billion, thirty million, one hundred twenty-two thousand, thirty".