20002120211210 has 64 divisors (see below), whose sum is σ = 36667847905920. Its totient is φ = 7854124227840.

The previous prime is 20002120211173. The next prime is 20002120211221. The reversal of 20002120211210 is 1211202120002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1610340800 + ... + 1610353220.

It is an arithmetic number, because the mean of its divisors is an integer number (572935123530).

Almost surely, 2^{20002120211210} is an apocalyptic number.

20002120211210 is a deficient number, since it is larger than the sum of its proper divisors (16665727694710).

20002120211210 is a wasteful number, since it uses less digits than its factorization.

20002120211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20631.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20002120211210 its reverse (1211202120002), we get a palindrome (21213322331212).

The spelling of 20002120211210 in words is "twenty trillion, two billion, one hundred twenty million, two hundred eleven thousand, two hundred ten".