20120220002221 has 8 divisors (see below), whose sum is σ = 20210107961120. Its totient is φ = 20030490159408.

The previous prime is 20120220002219. The next prime is 20120220002287. The reversal of 20120220002221 is 12220002202102.

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 20120220002221 - 2¹ = 20120220002219 is a prime.

It is a super-3 number, since 3×20120220002221³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20120220002195 and 20120220002204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120220002821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39273951 + ... + 39782956.

It is an arithmetic number, because the mean of its divisors is an integer number (2526263495140).

Almost surely, 2^{20120220002221} is an apocalyptic number.

It is an amenable number.

20120220002221 is a deficient number, since it is larger than the sum of its proper divisors (89887958899).

20120220002221 is an equidigital number, since it uses as much as digits as its factorization.

20120220002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79058043.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20120220002221 its reverse (12220002202102), we get a palindrome (32340222204323).

The spelling of 20120220002221 in words is "twenty trillion, one hundred twenty billion, two hundred twenty million, two thousand, two hundred twenty-one".