220000221122020 has 96 divisors (see below), whose sum is σ = 484448576274432. Its totient is φ = 83844339091968.

The previous prime is 220000221121979. The next prime is 220000221122023. The reversal of 220000221122020 is 20221122000022.

It is a super-3 number, since 3×220000221122020³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220000221121985 and 220000221122003.

It is not an unprimeable number, because it can be changed into a prime (220000221122023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6064612 + ... + 21835291.

It is an arithmetic number, because the mean of its divisors is an integer number (5046339336192).

Almost surely, 2^{220000221122020} is an apocalyptic number.

220000221122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220000221122020 is an abundant number, since it is smaller than the sum of its proper divisors (264448355152412).

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

220000221122020 is a wasteful number, since it uses less digits than its factorization.

220000221122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27900181 (or 27900179 counting only the distinct ones).

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

Adding to 220000221122020 its reverse (20221122000022), we get a palindrome (240221343122042).

The spelling of 220000221122020 in words is "two hundred twenty trillion, two hundred twenty-one million, one hundred twenty-two thousand, twenty".