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11020620 = 22351371199
BaseRepresentation
bin101010000010…
…100101001100
3202201220110010
4222002211030
510310124440
61032113220
7162450042
oct52024514
922656403
1011020620
116247a56
123835810
13238b2a0
14166c392
15e7a580
hexa8294c

11020620 has 96 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 2661120.

The previous prime is 11020613. The next prime is 11020621. The reversal of 11020620 is 2602011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11020596 and 11020605.

It is not an unprimeable number, because it can be changed into a prime (11020621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55281 + ... + 55479.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 211020620 is an apocalyptic number.

11020620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11020620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934400).

11020620 is an abundant number, since it is smaller than the sum of its proper divisors (22848180).

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

11020620 is a wasteful number, since it uses less digits than its factorization.

11020620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11020620 is about 3319.7319168873. The cubic root of 11020620 is about 222.5368873741.

Adding to 11020620 its reverse (2602011), we get a palindrome (13622631).

The spelling of 11020620 in words is "eleven million, twenty thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 71 78 130 142 156 195 199 213 260 284 355 390 398 426 597 710 780 796 852 923 995 1065 1194 1420 1846 1990 2130 2388 2587 2769 2985 3692 3980 4260 4615 5174 5538 5970 7761 9230 10348 11076 11940 12935 13845 14129 15522 18460 25870 27690 28258 31044 38805 42387 51740 55380 56516 70645 77610 84774 141290 155220 169548 183677 211935 282580 367354 423870 551031 734708 847740 918385 1102062 1836770 2204124 2755155 3673540 5510310 11020620