20221000210 has 16 divisors (see below), whose sum is σ = 36422980416. Its totient is φ = 8082804528.

The previous prime is 20221000171. The next prime is 20221000231. The reversal of 20221000210 is 1200012202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

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, 684252 + ... + 713191.

It is an arithmetic number, because the mean of its divisors is an integer number (2276436276).

Almost surely, 2^20221000210 is an apocalyptic number.

20221000210 is a deficient number, since it is larger than the sum of its proper divisors (16201980206).

20221000210 is a wasteful number, since it uses less digits than its factorization.

20221000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398897.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20221000210 its reverse (1200012202), we get a palindrome (21421012412).

The spelling of 20221000210 in words is "twenty billion, two hundred twenty-one million, two hundred ten", and thus it is an aban number.