20203302210 has 192 divisors, whose sum is σ = 60918988032. Its totient is φ = 4250340864.

The previous prime is 20203302187. The next prime is 20203302241. The reversal of 20203302210 is 1220330202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20203302210.

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 95 ways as a sum of consecutive naturals, for example, 7585339 + ... + 7588001.

It is an arithmetic number, because the mean of its divisors is an integer number (317286396).

Almost surely, 2^20203302210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20203302210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30459494016).

20203302210 is an abundant number, since it is smaller than the sum of its proper divisors (40715685822).

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

20203302210 is a wasteful number, since it uses less digits than its factorization.

20203302210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097 (or 3090 counting only the distinct ones).

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

Adding to 20203302210 its reverse (1220330202), we get a palindrome (21423632412).

The spelling of 20203302210 in words is "twenty billion, two hundred three million, three hundred two thousand, two hundred ten".