Search a number
-
+
11220102012020 = 22511291758636679
BaseRepresentation
bin1010001101000110001000…
…1100011101110001110100
31110201122001012102101020112
42203101202030131301310
52432312232103341040
635510235501322152
72235424405336346
oct243214214356164
943648035371215
1011220102012020
113636467095290
121312645566358
136350882b73a5
142ab0ad2d5296
15146cd97ea365
hexa346231dc74

11220102012020 has 48 divisors (see below), whose sum is σ = 26590586601600. Its totient is φ = 3939346158720.

The previous prime is 11220102011971. The next prime is 11220102012059. The reversal of 11220102012020 is 2021020102211.

It is a junction number, because it is equal to n+sod(n) for n = 11220102011986 and 11220102012004.

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, 879311960 + ... + 879324719.

It is an arithmetic number, because the mean of its divisors is an integer number (553970554200).

Almost surely, 211220102012020 is an apocalyptic number.

11220102012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220102012020 is an abundant number, since it is smaller than the sum of its proper divisors (15370484589580).

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

11220102012020 is a wasteful number, since it uses less digits than its factorization.

11220102012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758636728 (or 1758636726 counting only the distinct ones).

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

Adding to 11220102012020 its reverse (2021020102211), we get a palindrome (13241122114231).

The spelling of 11220102012020 in words is "eleven trillion, two hundred twenty billion, one hundred two million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 3190 6380 1758636679 3517273358 7034546716 8793183395 17586366790 19345003469 35172733580 38690006938 51000463691 77380013876 96725017345 102000927382 193450034690 204001854764 255002318455 386900069380 510004636910 561005100601 1020009273820 1122010201202 2244020402404 2805025503005 5610051006010 11220102012020