20223221304120 has 128 divisors (see below), whose sum is σ = 62325924595200. Its totient is φ = 5245713225216.

The previous prime is 20223221304119. The next prime is 20223221304131. The reversal of 20223221304120 is 2140312232202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16176117 + ... + 17381403.

It is an arithmetic number, because the mean of its divisors is an integer number (486921285900).

Almost surely, 2^{20223221304120} is an apocalyptic number.

20223221304120 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 20223221304120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31162962297600).

20223221304120 is an abundant number, since it is smaller than the sum of its proper divisors (42102703291080).

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

20223221304120 is a wasteful number, since it uses less digits than its factorization.

20223221304120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209117 (or 1209113 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20223221304120 its reverse (2140312232202), we get a palindrome (22363533536322).

The spelling of 20223221304120 in words is "twenty trillion, two hundred twenty-three billion, two hundred twenty-one million, three hundred four thousand, one hundred twenty".