20120200221 has 8 divisors (see below), whose sum is σ = 29265745824. Its totient is φ = 12194060720.

The previous prime is 20120200211. The next prime is 20120200267. The reversal of 20120200221 is 12200202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20120200221 - 2¹⁷ = 20120069149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20120200197 and 20120200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120200201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304851486 + ... + 304851551.

It is an arithmetic number, because the mean of its divisors is an integer number (3658218228).

Almost surely, 2^20120200221 is an apocalyptic number.

It is an amenable number.

20120200221 is a deficient number, since it is larger than the sum of its proper divisors (9145545603).

20120200221 is a wasteful number, since it uses less digits than its factorization.

20120200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609703051.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20120200221 its reverse (12200202102), we get a palindrome (32320402323).

The spelling of 20120200221 in words is "twenty billion, one hundred twenty million, two hundred thousand, two hundred twenty-one".