220223222020 has 24 divisors (see below), whose sum is σ = 462492135000. Its totient is φ = 88084837632.

The previous prime is 220223222017. The next prime is 220223222047. The reversal of 220223222020 is 20222322022.

It can be written as a sum of positive squares in 4 ways, for example, as 161953124356 + 58270097664 = 402434^2 + 241392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143056 + ... + 678904.

It is an arithmetic number, because the mean of its divisors is an integer number (19270505625).

Almost surely, 2^220223222020 is an apocalyptic number.

220223222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220223222020 is an abundant number, since it is smaller than the sum of its proper divisors (242268912980).

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

220223222020 is a wasteful number, since it uses less digits than its factorization.

220223222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556407 (or 556405 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 220223222020 its reverse (20222322022), we get a palindrome (240445544042).

The spelling of 220223222020 in words is "two hundred twenty billion, two hundred twenty-three million, two hundred twenty-two thousand, twenty".