220020112021 has 8 divisors (see below), whose sum is σ = 229619928384. Its totient is φ = 210423106080.

The previous prime is 220020111991. The next prime is 220020112031. The reversal of 220020112021 is 120211020022.

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 220020112021 - 2⁷ = 220020111893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220020111992 and 220020112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020112031) 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, 541831 + ... + 856516.

It is an arithmetic number, because the mean of its divisors is an integer number (28702491048).

Almost surely, 2^220020112021 is an apocalyptic number.

It is an amenable number.

220020112021 is a deficient number, since it is larger than the sum of its proper divisors (9599816363).

220020112021 is a wasteful number, since it uses less digits than its factorization.

220020112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405211.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220020112021 its reverse (120211020022), we get a palindrome (340231132043).

The spelling of 220020112021 in words is "two hundred twenty billion, twenty million, one hundred twelve thousand, twenty-one".