202020211012210 has 64 divisors (see below), whose sum is σ = 380524932587520. Its totient is φ = 77147701496320.

The previous prime is 202020211012187. The next prime is 202020211012253. The reversal of 202020211012210 is 12210112020202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3814270 + ... + 20459449.

It is an arithmetic number, because the mean of its divisors is an integer number (5945702071680).

Almost surely, 2^{202020211012210} is an apocalyptic number.

202020211012210 is a deficient number, since it is larger than the sum of its proper divisors (178504721575310).

202020211012210 is a wasteful number, since it uses less digits than its factorization.

202020211012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274203.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202020211012210 its reverse (12210112020202), we get a palindrome (214230323032412).

The spelling of 202020211012210 in words is "two hundred two trillion, twenty billion, two hundred eleven million, twelve thousand, two hundred ten".