21030220223202 has 24 divisors (see below), whose sum is σ = 44390658758256. Its totient is φ = 6641122175064.

The previous prime is 21030220223149. The next prime is 21030220223203. The reversal of 21030220223202 is 20232202203012.

It is not an unprimeable number, because it can be changed into a prime (21030220223203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4854619308 + ... + 4854623639.

It is an arithmetic number, because the mean of its divisors is an integer number (1849610781594).

Almost surely, 2^{21030220223202} is an apocalyptic number.

21030220223202 is an abundant number, since it is smaller than the sum of its proper divisors (23360438535054).

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

21030220223202 is a wasteful number, since it uses less digits than its factorization.

21030220223202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709242990 (or 9709242971 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 21030220223202 its reverse (20232202203012), we get a palindrome (41262422426214).

The spelling of 21030220223202 in words is "twenty-one trillion, thirty billion, two hundred twenty million, two hundred twenty-three thousand, two hundred two".