220233202021 has 16 divisors (see below), whose sum is σ = 269285522560. Its totient is φ = 175904239680.

The previous prime is 220233202019. The next prime is 220233202031. The reversal of 220233202021 is 120202332022.

It is a cyclic number.

It is not a de Polignac number, because 220233202021 - 2¹ = 220233202019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 220233202021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220233202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13564746 + ... + 13580971.

It is an arithmetic number, because the mean of its divisors is an integer number (16830345160).

Almost surely, 2^220233202021 is an apocalyptic number.

It is an amenable number.

220233202021 is a deficient number, since it is larger than the sum of its proper divisors (49052320539).

220233202021 is a wasteful number, since it uses less digits than its factorization.

220233202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27145804.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220233202021 its reverse (120202332022), we get a palindrome (340435534043).

The spelling of 220233202021 in words is "two hundred twenty billion, two hundred thirty-three million, two hundred two thousand, twenty-one".