2020221122220 has 144 divisors (see below), whose sum is σ = 7048041768768. Its totient is φ = 458823605760.

The previous prime is 2020221122203. The next prime is 2020221122261. The reversal of 2020221122220 is 222211220202.

2020221122220 is a `hidden beast` number, since 202 + 0 + 221 + 1 + 22 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2020221122193 and 2020221122202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4908391 + ... + 5304030.

Almost surely, 2^{2020221122220} is an apocalyptic number.

2020221122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020221122220 is an abundant number, since it is smaller than the sum of its proper divisors (5027820646548).

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

2020221122220 is a wasteful number, since it uses less digits than its factorization.

2020221122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212600 (or 10212595 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2020221122220 its reverse (222211220202), we get a palindrome (2242432342422).

The spelling of 2020221122220 in words is "two trillion, twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty".