20200112002221 has 64 divisors (see below), whose sum is σ = 29194538780160. Its totient is φ = 12390174720000.

The previous prime is 20200112002181. The next prime is 20200112002277. The reversal of 20200112002221 is 12220021100202.

It is not a de Polignac number, because 20200112002221 - 2⁶ = 20200112002157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200112002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200112022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112132221 + ... + 112312221.

It is an arithmetic number, because the mean of its divisors is an integer number (456164668440).

Almost surely, 2^{20200112002221} is an apocalyptic number.

It is an amenable number.

20200112002221 is a deficient number, since it is larger than the sum of its proper divisors (8994426777939).

20200112002221 is a wasteful number, since it uses less digits than its factorization.

20200112002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180566.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20200112002221 its reverse (12220021100202), we get a palindrome (32420133102423).

The spelling of 20200112002221 in words is "twenty trillion, two hundred billion, one hundred twelve million, two thousand, two hundred twenty-one".