2020221221232 has 80 divisors (see below), whose sum is σ = 5311840913280. Its totient is φ = 661434590976.

The previous prime is 2020221221231. The next prime is 2020221221269. The reversal of 2020221221232 is 2321221220202.

It is a super-2 number, since 2×2020221221232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020221221199 and 2020221221208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020221221231) 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, 3061098 + ... + 3662070.

It is an arithmetic number, because the mean of its divisors is an integer number (66398011416).

Almost surely, 2^{2020221221232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020221221232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655920456640).

2020221221232 is an abundant number, since it is smaller than the sum of its proper divisors (3291619692048).

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

2020221221232 is a wasteful number, since it uses less digits than its factorization.

2020221221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602230 (or 602224 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2020221221232 its reverse (2321221220202), we get a palindrome (4341442441434).

The spelling of 2020221221232 in words is "two trillion, twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred thirty-two".