210020202106 has 16 divisors (see below), whose sum is σ = 370105531488. Its totient is φ = 88120364400.

The previous prime is 210020202083. The next prime is 210020202157. The reversal of 210020202106 is 601202020012.

It is a self number, because there is not a number n which added to its sum of digits gives 210020202106.

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, 367167900 + ... + 367168471.

It is an arithmetic number, because the mean of its divisors is an integer number (23131595718).

Almost surely, 2^210020202106 is an apocalyptic number.

210020202106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

210020202106 is a deficient number, since it is larger than the sum of its proper divisors (160085329382).

210020202106 is a wasteful number, since it uses less digits than its factorization.

210020202106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734336397.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210020202106 its reverse (601202020012), we get a palindrome (811222222118).

The spelling of 210020202106 in words is "two hundred ten billion, twenty million, two hundred two thousand, one hundred six".