20111200210 has 16 divisors (see below), whose sum is σ = 36282628800. Its totient is φ = 8026153776.

The previous prime is 20111200201. The next prime is 20111200273. The reversal of 20111200210 is 1200211102.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286180 + ... + 2294959.

It is an arithmetic number, because the mean of its divisors is an integer number (2267664300).

Almost surely, 2^20111200210 is an apocalyptic number.

20111200210 is a deficient number, since it is larger than the sum of its proper divisors (16171428590).

20111200210 is a wasteful number, since it uses less digits than its factorization.

20111200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581585.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20111200210 its reverse (1200211102), we get a palindrome (21311411312).

The spelling of 20111200210 in words is "twenty billion, one hundred eleven million, two hundred thousand, two hundred ten".