202022730 has 192 divisors, whose sum is σ = 684972288. Its totient is φ = 40089600.

The previous prime is 202022707. The next prime is 202022767. The reversal of 202022730 is 37220202.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 138505 + ... + 139955.

It is an arithmetic number, because the mean of its divisors is an integer number (3567564).

Almost surely, 2^202022730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202022730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342486144).

202022730 is an abundant number, since it is smaller than the sum of its proper divisors (482949558).

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

202022730 is a wasteful number, since it uses less digits than its factorization.

202022730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 202022730 is about 14213.4700196680. The cubic root of 202022730 is about 586.7684378511.

Adding to 202022730 its reverse (37220202), we get a palindrome (239242932).

The spelling of 202022730 in words is "two hundred two million, twenty-two thousand, seven hundred thirty".