2204101042020 has 216 divisors, whose sum is σ = 6831155418360. Its totient is φ = 575237652480.

The previous prime is 2204101041929. The next prime is 2204101042027. The reversal of 2204101042020 is 202401014022.

2204101042020 is a `hidden beast` number, since 2 + 204 + 10 + 10 + 420 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 962231512356 + 1241869529664 = 980934^2 + 1114392^2 .

It is a super-2 number, since 2×2204101042020² (a number of 25 digits) contains 22 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 = 2204101041984 and 2204101042002.

It is not an unprimeable number, because it can be changed into a prime (2204101042027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 143479140 + ... + 143494500.

Almost surely, 2^{2204101042020} is an apocalyptic number.

2204101042020 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 2204101042020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3415577709180).

2204101042020 is an abundant number, since it is smaller than the sum of its proper divisors (4627054376340).

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

2204101042020 is a wasteful number, since it uses less digits than its factorization.

2204101042020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723 (or 15659 counting only the distinct ones).

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

Adding to 2204101042020 its reverse (202401014022), we get a palindrome (2406502056042).

The spelling of 2204101042020 in words is "two trillion, two hundred four billion, one hundred one million, forty-two thousand, twenty".