20220221120 has 112 divisors (see below), whose sum is σ = 52649250048. Its totient is φ = 7335644160.

The previous prime is 20220221089. The next prime is 20220221129. The reversal of 20220221120 is 2112202202.

It is a junction number, because it is equal to n+sod(n) for n = 20220221095 and 20220221104.

It is not an unprimeable number, because it can be changed into a prime (20220221129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1552877 + ... + 1565843.

Almost surely, 2^20220221120 is an apocalyptic number.

20220221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26324625024).

20220221120 is an abundant number, since it is smaller than the sum of its proper divisors (32429028928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220221120 is a wasteful number, since it uses less digits than its factorization.

20220221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438 (or 13428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20220221120 its reverse (2112202202), we get a palindrome (22332423322).

It can be divided in two parts, 202202 and 21120, that added together give a palindrome (223322).

The spelling of 20220221120 in words is "twenty billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty".