20200100123210 has 48 divisors (see below), whose sum is σ = 42331406783976. Its totient is φ = 6920038806912.

The previous prime is 20200100123207. The next prime is 20200100123251. The reversal of 20200100123210 is 1232100100202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4386012906961 + 15814087216249 = 2094281^2 + 3976693^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16398497 + ... + 17587236.

Almost surely, 2^{20200100123210} is an apocalyptic number.

20200100123210 is an abundant number, since it is smaller than the sum of its proper divisors (22131306660766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200100123210 is a wasteful number, since it uses less digits than its factorization.

20200100123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33986967 (or 33986960 counting only the distinct ones).

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

Adding to 20200100123210 its reverse (1232100100202), we get a palindrome (21432200223412).

The spelling of 20200100123210 in words is "twenty trillion, two hundred billion, one hundred million, one hundred twenty-three thousand, two hundred ten".