20012210210 has 16 divisors (see below), whose sum is σ = 36077153976. Its totient is φ = 7992622848.

The previous prime is 20012210173. The next prime is 20012210221. The reversal of 20012210210 is 1201221002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13932733369 + 6079476841 = 118037^2 + 77971^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20012210191 and 20012210200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1525799 + ... + 1538858.

Almost surely, 2^20012210210 is an apocalyptic number.

20012210210 is a deficient number, since it is larger than the sum of its proper divisors (16064943766).

20012210210 is a wasteful number, since it uses less digits than its factorization.

20012210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065317.

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

Adding to 20012210210 its reverse (1201221002), we get a palindrome (21213431212).

The spelling of 20012210210 in words is "twenty billion, twelve million, two hundred ten thousand, two hundred ten".