20202221210 has 16 divisors (see below), whose sum is σ = 36717048576. Its totient is φ = 8002432848.

The previous prime is 20202221203. The next prime is 20202221213. The reversal of 20202221210 is 1212220202.

It is not an unprimeable number, because it can be changed into a prime (20202221213) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9805874 + ... + 9807933.

It is an arithmetic number, because the mean of its divisors is an integer number (2294815536).

Almost surely, 2^20202221210 is an apocalyptic number.

20202221210 is a deficient number, since it is larger than the sum of its proper divisors (16514827366).

20202221210 is a wasteful number, since it uses less digits than its factorization.

20202221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19613917.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20202221210 its reverse (1212220202), we get a palindrome (21414441412).

The spelling of 20202221210 in words is "twenty billion, two hundred two million, two hundred twenty-one thousand, two hundred ten".