220100011122020 has 24 divisors (see below), whose sum is σ = 462210582632568. Its totient is φ = 88039897920000.

The previous prime is 220100011122001. The next prime is 220100011122071. The reversal of 220100011122020 is 20221110001022.

It can be written as a sum of positive squares in 4 ways, for example, as 40835065013824 + 179264946108196 = 6390232^2 + 13388986^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220100011121986 and 220100011122004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11490620 + ... + 23921420.

It is an arithmetic number, because the mean of its divisors is an integer number (19258774276357).

Almost surely, 2^{220100011122020} is an apocalyptic number.

220100011122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220100011122020 is an abundant number, since it is smaller than the sum of its proper divisors (242110571510548).

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

220100011122020 is a wasteful number, since it uses less digits than its factorization.

220100011122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13316111 (or 13316109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220100011122020 its reverse (20221110001022), we get a palindrome (240321121123042).

The spelling of 220100011122020 in words is "two hundred twenty trillion, one hundred billion, eleven million, one hundred twenty-two thousand, twenty".