20200021122220 has 48 divisors (see below), whose sum is σ = 42467829215616. Its totient is φ = 8070907680000.

The previous prime is 20200021122199. The next prime is 20200021122221. The reversal of 20200021122220 is 2222112000202.

It is a junction number, because it is equal to n+sod(n) for n = 20200021122194 and 20200021122203.

It is not an unprimeable number, because it can be changed into a prime (20200021122221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459581245 + ... + 459625195.

It is an arithmetic number, because the mean of its divisors is an integer number (884746441992).

Almost surely, 2^{20200021122220} is an apocalyptic number.

20200021122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200021122220 is an abundant number, since it is smaller than the sum of its proper divisors (22267808093396).

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

20200021122220 is a wasteful number, since it uses less digits than its factorization.

20200021122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69322 (or 69320 counting only the distinct ones).

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

Adding to 20200021122220 its reverse (2222112000202), we get a palindrome (22422133122422).

The spelling of 20200021122220 in words is "twenty trillion, two hundred billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty".