20100202012210 has 16 divisors (see below), whose sum is σ = 36863011993176. Its totient is φ = 7888381166848.

The previous prime is 20100202012129. The next prime is 20100202012229. The reversal of 20100202012210 is 1221020200102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20093102096089 + 7099916121 = 4482533^2 + 84261^2 .

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 7 ways as a sum of consecutive naturals, for example, 18962454199 + ... + 18962455258.

Almost surely, 2^{20100202012210} is an apocalyptic number.

20100202012210 is a deficient number, since it is larger than the sum of its proper divisors (16762809980966).

20100202012210 is a wasteful number, since it uses less digits than its factorization.

20100202012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37924909517.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20100202012210 its reverse (1221020200102), we get a palindrome (21321222212312).

The spelling of 20100202012210 in words is "twenty trillion, one hundred billion, two hundred two million, twelve thousand, two hundred ten".