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20102211001120 = 255731721079709
BaseRepresentation
bin1001001001000011010010…
…01001010101101100100000
32122011202022122111100020211
410210201221021111230200
510113323312004013440
6110430454522343504
74143223346135533
oct444415111255440
978152278440224
1020102211001120
116450333056a96
122307b3995ab94
13b2a826ba7261
144d6d48bc0a1a
1524cd88261eea
hex124869255b20

20102211001120 has 48 divisors (see below), whose sum is σ = 48142041648120. Its totient is φ = 7930735294464.

The previous prime is 20102211001079. The next prime is 20102211001133. The reversal of 20102211001120 is 2110011220102.

It can be written as a sum of positive squares in 4 ways, for example, as 19598718577936 + 503492423184 = 4427044^2 + 709572^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20102211001120.

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 7 ways as a sum of consecutive naturals, for example, 860528175 + ... + 860551534.

Almost surely, 220102211001120 is an apocalyptic number.

20102211001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102211001120 is an abundant number, since it is smaller than the sum of its proper divisors (28039830647000).

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

20102211001120 is a wasteful number, since it uses less digits than its factorization.

20102211001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721079797 (or 1721079789 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102211001120 its reverse (2110011220102), we get a palindrome (22212222221222).

The spelling of 20102211001120 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 73 80 146 160 292 365 584 730 1168 1460 2336 2920 5840 11680 1721079709 3442159418 6884318836 8605398545 13768637672 17210797090 27537275344 34421594180 55074550688 68843188360 125638818757 137686376720 251277637514 275372753440 502555275028 628194093785 1005110550056 1256388187570 2010221100112 2512776375140 4020442200224 5025552750280 10051105500560 20102211001120