20010202210 has 16 divisors (see below), whose sum is σ = 36030079800. Its totient is φ = 8001477376.

The previous prime is 20010202187. The next prime is 20010202243. The reversal of 20010202210 is 1220201002.

20010202210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14336949169 + 5673253041 = 119737^2 + 75321^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 293005 + ... + 354784.

Almost surely, 2^20010202210 is an apocalyptic number.

20010202210 is a deficient number, since it is larger than the sum of its proper divisors (16019877590).

20010202210 is a wasteful number, since it uses less digits than its factorization.

20010202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650885.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20010202210 its reverse (1220201002), we get a palindrome (21230403212).

The spelling of 20010202210 in words is "twenty billion, ten million, two hundred two thousand, two hundred ten".