20210012220220 has 24 divisors (see below), whose sum is σ = 42542316910800. Its totient is φ = 8064711316992.

The previous prime is 20210012220197. The next prime is 20210012220221. The reversal of 20210012220220 is 2202221001202.

It is a junction number, because it is equal to n+sod(n) for n = 20210012220194 and 20210012220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210012220221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1205839605 + ... + 1205856364.

It is an arithmetic number, because the mean of its divisors is an integer number (1772596537950).

Almost surely, 2^{20210012220220} is an apocalyptic number.

20210012220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20210012220220 is an abundant number, since it is smaller than the sum of its proper divisors (22332304690580).

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

20210012220220 is a wasteful number, since it uses less digits than its factorization.

20210012220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411696397 (or 2411696395 counting only the distinct ones).

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

Adding to 20210012220220 its reverse (2202221001202), we get a palindrome (22412233221422).

The spelling of 20210012220220 in words is "twenty trillion, two hundred ten billion, twelve million, two hundred twenty thousand, two hundred twenty".