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220220011110020 = 22523478739154587
BaseRepresentation
bin110010000100100111110111…
…100010001101111010000100
31001212201211100012210222001112
4302010213313202031322010
5212331041040321010040
62100211402041144152
764246241112042155
oct6204476742157204
91055654305728045
10220220011110020
1164194867169739
122084814418b058
1395b587265958c
143c549c38db92c
151a6d6640ac365
hexc849f788de84

220220011110020 has 24 divisors (see below), whose sum is σ = 482569067824704. Its totient is φ = 84258091207136.

The previous prime is 220220011109981. The next prime is 220220011110041. The reversal of 220220011110020 is 20011110022022.

It is a junction number, because it is equal to n+sod(n) for n = 220220011109977 and 220220011110004.

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, 239369576834 + ... + 239369577753.

It is an arithmetic number, because the mean of its divisors is an integer number (20107044492696).

Almost surely, 2220220011110020 is an apocalyptic number.

220220011110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220011110020 is an abundant number, since it is smaller than the sum of its proper divisors (262349056714684).

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

220220011110020 is a wasteful number, since it uses less digits than its factorization.

220220011110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478739154619 (or 478739154617 counting only the distinct ones).

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

Adding to 220220011110020 its reverse (20011110022022), we get a palindrome (240231121132042).

The spelling of 220220011110020 in words is "two hundred twenty trillion, two hundred twenty billion, eleven million, one hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 478739154587 957478309174 1914956618348 2393695772935 4787391545870 9574783091740 11011000555501 22022001111002 44044002222004 55055002777505 110110005555010 220220011110020