220020221201020 has 24 divisors (see below), whose sum is σ = 462058326597168. Its totient is φ = 88005067132800.

The previous prime is 220020221200987. The next prime is 220020221201023. The reversal of 220020221201020 is 20102122020022.

It is a junction number, because it is equal to n+sod(n) for n = 220020221200985 and 220020221201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020221201023) 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, 188237041 + ... + 189402280.

It is an arithmetic number, because the mean of its divisors is an integer number (19252430274882).

Almost surely, 2^{220020221201020} is an apocalyptic number.

220020221201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020221201020 is an abundant number, since it is smaller than the sum of its proper divisors (242038105396148).

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

220020221201020 is a wasteful number, since it uses less digits than its factorization.

220020221201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377668461 (or 377668459 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220020221201020 its reverse (20102122020022), we get a palindrome (240122343221042).

The spelling of 220020221201020 in words is "two hundred twenty trillion, twenty billion, two hundred twenty-one million, two hundred one thousand, twenty".