220020121120000 has 720 divisors, whose sum is σ = 575953521276672. Its totient is φ = 83767357440000.

The previous prime is 220020121119991. The next prime is 220020121120057. The reversal of 220020121120000 is 21121020022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 135230559187 + ... + 135230560813.

Almost surely, 2^{220020121120000} is an apocalyptic number.

220020121120000 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 220020121120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287976760638336).

220020121120000 is an abundant number, since it is smaller than the sum of its proper divisors (355933400156672).

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

220020121120000 is an equidigital number, since it uses as much as digits as its factorization.

220020121120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 2155 counting only the distinct ones).

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

Adding to 220020121120000 its reverse (21121020022), we get a palindrome (220041242140022).

The spelling of 220020121120000 in words is "two hundred twenty trillion, twenty billion, one hundred twenty-one million, one hundred twenty thousand".