220020231121 has 8 divisors (see below), whose sum is σ = 225972878144. Its totient is φ = 214067908080.

The previous prime is 220020231049. The next prime is 220020231131. The reversal of 220020231121 is 121132020022.

It is a happy number.

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 220020231121 - 2¹⁷ = 220020100049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220020231095 and 220020231104.

It is not an unprimeable number, because it can be changed into a prime (220020231131) 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, 2028886 + ... + 2134576.

It is an arithmetic number, because the mean of its divisors is an integer number (28246609768).

Almost surely, 2^220020231121 is an apocalyptic number.

It is an amenable number.

220020231121 is a deficient number, since it is larger than the sum of its proper divisors (5952647023).

220020231121 is a wasteful number, since it uses less digits than its factorization.

220020231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161991.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 220020231121 its reverse (121132020022), we get a palindrome (341152251143).

The spelling of 220020231121 in words is "two hundred twenty billion, twenty million, two hundred thirty-one thousand, one hundred twenty-one".