20312102210 has 32 divisors (see below), whose sum is σ = 37561309632. Its totient is φ = 7904232000.

The previous prime is 20312102203. The next prime is 20312102219. The reversal of 20312102210 is 1220121302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20312102219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13832 + ... + 202028.

It is an arithmetic number, because the mean of its divisors is an integer number (1173790926).

Almost surely, 2^20312102210 is an apocalyptic number.

20312102210 is a deficient number, since it is larger than the sum of its proper divisors (17249207422).

20312102210 is a wasteful number, since it uses less digits than its factorization.

20312102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188498.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20312102210 its reverse (1220121302), we get a palindrome (21532223512).

The spelling of 20312102210 in words is "twenty billion, three hundred twelve million, one hundred two thousand, two hundred ten".