20211200210 has 64 divisors (see below), whose sum is σ = 38842239744. Its totient is φ = 7545600000.

The previous prime is 20211200209. The next prime is 20211200279. The reversal of 20211200210 is 1200211202.

It is a happy number.

It is a super-2 number, since 2×20211200210² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211200191 and 20211200200.

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 31 ways as a sum of consecutive naturals, for example, 11221310 + ... + 11223110.

It is an arithmetic number, because the mean of its divisors is an integer number (606909996).

Almost surely, 2^20211200210 is an apocalyptic number.

20211200210 is a deficient number, since it is larger than the sum of its proper divisors (18631039534).

20211200210 is a wasteful number, since it uses less digits than its factorization.

20211200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20211200210 its reverse (1200211202), we get a palindrome (21411411412).

The spelling of 20211200210 in words is "twenty billion, two hundred eleven million, two hundred thousand, two hundred ten".