20223303213220 has 48 divisors (see below), whose sum is σ = 43272611771760. Its totient is φ = 7936257079296.

The previous prime is 20223303213209. The next prime is 20223303213251. The reversal of 20223303213220 is 2231230332202.

It can be written as a sum of positive squares in 8 ways, for example, as 1271350961764 + 18951952251456 = 1127542^2 + 4353384^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19152016 + ... + 20180344.

It is an arithmetic number, because the mean of its divisors is an integer number (901512745245).

Almost surely, 2^{20223303213220} is an apocalyptic number.

20223303213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223303213220 is an abundant number, since it is smaller than the sum of its proper divisors (23049308558540).

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

20223303213220 is a wasteful number, since it uses less digits than its factorization.

20223303213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046944 (or 1046942 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20223303213220 its reverse (2231230332202), we get a palindrome (22454533545422).

The spelling of 20223303213220 in words is "twenty trillion, two hundred twenty-three billion, three hundred three million, two hundred thirteen thousand, two hundred twenty".