20020202210 has 8 divisors (see below), whose sum is σ = 36036363996. Its totient is φ = 8008080880.

The previous prime is 20020202161. The next prime is 20020202221. The reversal of 20020202210 is 1220202002.

It can be written as a sum of positive squares in 2 ways, for example, as 19665294289 + 354907921 = 140233^2 + 18839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20020202191 and 20020202200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001010101 + ... + 1001010120.

Almost surely, 2^20020202210 is an apocalyptic number.

20020202210 is a deficient number, since it is larger than the sum of its proper divisors (16016161786).

20020202210 is a wasteful number, since it uses less digits than its factorization.

20020202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002020228.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20020202210 its reverse (1220202002), we get a palindrome (21240404212).

The spelling of 20020202210 in words is "twenty billion, twenty million, two hundred two thousand, two hundred ten".