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2010111112220 = 2251012767359633
BaseRepresentation
bin11101010000000011111…
…101010111010000011100
321010011110002200120101212
4131100003331113100130
5230413201421042340
64135233213123552
7265140266353241
oct35200375272034
97104402616355
102010111112220
11705535357082
122856a61895b8
13117725286203
146d40b6975c8
153744a9d7a65
hex1d403f5741c

2010111112220 has 48 divisors (see below), whose sum is σ = 4264580251008. Its totient is φ = 795793689600.

The previous prime is 2010111112183. The next prime is 2010111112237. The reversal of 2010111112220 is 222111110102.

It is a junction number, because it is equal to n+sod(n) for n = 2010111112195 and 2010111112204.

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, 5409524 + ... + 5769156.

It is an arithmetic number, because the mean of its divisors is an integer number (88845421896).

Almost surely, 22010111112220 is an apocalyptic number.

2010111112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010111112220 is an abundant number, since it is smaller than the sum of its proper divisors (2254469138788).

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

2010111112220 is a wasteful number, since it uses less digits than its factorization.

2010111112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362510 (or 362508 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2010111112220 its reverse (222111110102), we get a palindrome (2232222222322).

The spelling of 2010111112220 in words is "two trillion, ten billion, one hundred eleven million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 2767 5534 11068 13835 27670 55340 279467 359633 558934 719266 1117868 1397335 1438532 1798165 2794670 3596330 5589340 7192660 36322933 72645866 145291732 181614665 363229330 726458660 995104511 1990209022 3980418044 4975522555 9951045110 19902090220 100505555611 201011111222 402022222444 502527778055 1005055556110 2010111112220