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2220012020220 = 223537799791003
BaseRepresentation
bin100000010011100011000…
…001110010000111111100
321212020020110021111100120
4200103203001302013330
5242333041034121340
64415505350054540
7316250652551241
oct40234301620774
97766213244316
102220012020220
11786557a00a75
122ba30564a450
131314668a9417
14796406a55c8
153cb332944d0
hex204e30721fc

2220012020220 has 48 divisors (see below), whose sum is σ = 6217679180160. Its totient is φ = 591846488896.

The previous prime is 2220012020203. The next prime is 2220012020267. The reversal of 2220012020220 is 220202100222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2220012020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4668762 + ... + 5122241.

It is an arithmetic number, because the mean of its divisors is an integer number (129534982920).

Almost surely, 22220012020220 is an apocalyptic number.

2220012020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220012020220 is an abundant number, since it is smaller than the sum of its proper divisors (3997667159940).

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

2220012020220 is a wasteful number, since it uses less digits than its factorization.

2220012020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9794794 (or 9794792 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 2220012020220 its reverse (220202100222), we get a palindrome (2440214120442).

The spelling of 2220012020220 in words is "two trillion, two hundred twenty billion, twelve million, twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3779 7558 11337 15116 18895 22674 37790 45348 56685 75580 113370 226740 9791003 19582006 29373009 39164012 48955015 58746018 97910030 117492036 146865045 195820060 293730090 587460180 37000200337 74000400674 111000601011 148000801348 185001001685 222001202022 370002003370 444002404044 555003005055 740004006740 1110006010110 2220012020220