2220302122020 has 72 divisors (see below), whose sum is σ = 6916941226104. Its totient is φ = 576078386688.

The previous prime is 2220302122019. The next prime is 2220302122021. The reversal of 2220302122020 is 202212030222.

2220302122020 is a `hidden beast` number, since 2 + 220 + 30 + 212 + 202 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2220302122019) and next prime (2220302122021).

It can be written as a sum of positive squares in 4 ways, for example, as 276753853476 + 1943548268544 = 526074^2 + 1394112^2 .

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 = 2220302121984 and 2220302122002.

It is not an unprimeable number, because it can be changed into a prime (2220302122021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166682689 + ... + 166696008.

Almost surely, 2^{2220302122020} is an apocalyptic number.

2220302122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220302122020 is an abundant number, since it is smaller than the sum of its proper divisors (4696639104084).

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

2220302122020 is a wasteful number, since it uses less digits than its factorization.

2220302122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333378749 (or 333378744 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 2220302122020 its reverse (202212030222), we get a palindrome (2422514152242).

The spelling of 2220302122020 in words is "two trillion, two hundred twenty billion, three hundred two million, one hundred twenty-two thousand, twenty".