20022202230 has 64 divisors (see below), whose sum is σ = 49367501568. Its totient is φ = 5194224000.

The previous prime is 20022202201. The next prime is 20022202267. The reversal of 20022202230 is 3220222002.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 292872 + ... + 354708.

It is an arithmetic number, because the mean of its divisors is an integer number (771367212).

Almost surely, 2^20022202230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20022202230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24683750784).

20022202230 is an abundant number, since it is smaller than the sum of its proper divisors (29345299338).

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

20022202230 is a wasteful number, since it uses less digits than its factorization.

20022202230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62141.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20022202230 its reverse (3220222002), we get a palindrome (23242424232).

The spelling of 20022202230 in words is "twenty billion, twenty-two million, two hundred two thousand, two hundred thirty".