2022221131020 has 144 divisors (see below), whose sum is σ = 6150213800640. Its totient is φ = 537841225728.

The previous prime is 2022221131001. The next prime is 2022221131027. The reversal of 2022221131020 is 201311222202.

It is a super-5 number, since 5×2022221131020⁵ (a number of 63 digits) contains 55555 as substring.

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 = 2022221130984 and 2022221131002.

It is not an unprimeable number, because it can be changed into a prime (2022221131027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160883296 + ... + 160895864.

It is an arithmetic number, because the mean of its divisors is an integer number (42709818060).

Almost surely, 2^{2022221131020} is an apocalyptic number.

2022221131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022221131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3075106900320).

2022221131020 is an abundant number, since it is smaller than the sum of its proper divisors (4127992669620).

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

2022221131020 is a wasteful number, since it uses less digits than its factorization.

2022221131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14864 (or 14859 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2022221131020 its reverse (201311222202), we get a palindrome (2223532353222).

The spelling of 2022221131020 in words is "two trillion, twenty-two billion, two hundred twenty-one million, one hundred thirty-one thousand, twenty".