20212221202 has 8 divisors (see below), whose sum is σ = 30618513612. Its totient is φ = 10006050000.

The previous prime is 20212221199. The next prime is 20212221203.

20212221202 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 15845522641 + 4366698561 = 125879^2 + 66081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20212221203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50030049 + ... + 50030452.

Almost surely, 2^20212221202 is an apocalyptic number.

20212221202 is a deficient number, since it is larger than the sum of its proper divisors (10406292410).

20212221202 is a wasteful number, since it uses less digits than its factorization.

20212221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100060604.

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 20212221202 in words is "twenty billion, two hundred twelve million, two hundred twenty-one thousand, two hundred two".