20000120210 has 32 divisors (see below), whose sum is σ = 42146600832. Its totient is φ = 6689934720.

The previous prime is 20000120209. The next prime is 20000120243. The reversal of 20000120210 is 1202100002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3481472 + ... + 3487211.

It is an arithmetic number, because the mean of its divisors is an integer number (1317081276).

Almost surely, 2^20000120210 is an apocalyptic number.

20000120210 is an abundant number, since it is smaller than the sum of its proper divisors (22146480622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000120210 is a wasteful number, since it uses less digits than its factorization.

20000120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968738.

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

Adding to 20000120210 its reverse (1202100002), we get a palindrome (21202220212).

The spelling of 20000120210 in words is "twenty billion, one hundred twenty thousand, two hundred ten".