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2011222000220 = 225263985938783
BaseRepresentation
bin11101010001000110001…
…011000100001001011100
321010021022112000112020212
4131101012023010021130
5230422440313001340
64135535335231552
7265206645634616
oct35210613041134
97107275015225
102011222000220
11705a55428734
122859562185b8
131178714799a4
146d4b502bdb6
15374b32bea65
hex1d4462c425c

2011222000220 has 48 divisors (see below), whose sum is σ = 4240164741120. Its totient is φ = 801327955776.

The previous prime is 2011222000217. The next prime is 2011222000237. The reversal of 2011222000220 is 220002221102.

It is a junction number, because it is equal to n+sod(n) for n = 2011222000195 and 2011222000204.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51838949 + ... + 51877731.

It is an arithmetic number, because the mean of its divisors is an integer number (88336765440).

Almost surely, 22011222000220 is an apocalyptic number.

2011222000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011222000220 is an abundant number, since it is smaller than the sum of its proper divisors (2228942740900).

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

2011222000220 is a wasteful number, since it uses less digits than its factorization.

2011222000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48914 (or 48912 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2011222000220 its reverse (220002221102), we get a palindrome (2231224221322).

The spelling of 2011222000220 in words is "two trillion, eleven billion, two hundred twenty-two million, two hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 263 526 1052 1315 2630 5260 9859 19718 38783 39436 49295 77566 98590 155132 193915 197180 387830 775660 2592917 5185834 10199929 10371668 12964585 20399858 25929170 40799716 50999645 51858340 101999290 203998580 382361597 764723194 1529446388 1911807985 3823615970 7647231940 100561100011 201122200022 402244400044 502805500055 1005611000110 2011222000220