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11020202320 = 245137752529
BaseRepresentation
bin10100100001101101…
…01111000101010000
31001110000110021121111
422100312233011100
5140032132433240
65021305103104
7540043113511
oct122066570520
931400407544
1011020202320
114745687126
122176787a94
13106817bb9a
1476784ca08
154477301ea
hex290daf150

11020202320 has 20 divisors (see below), whose sum is σ = 25621970580. Its totient is φ = 4408080896.

The previous prime is 11020202311. The next prime is 11020202387. The reversal of 11020202320 is 2320202011.

It can be written as a sum of positive squares in 2 ways, for example, as 2198484544 + 8821717776 = 46888^2 + 93924^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 11020202320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68876185 + ... + 68876344.

It is an arithmetic number, because the mean of its divisors is an integer number (1281098529).

Almost surely, 211020202320 is an apocalyptic number.

11020202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020202320 is an abundant number, since it is smaller than the sum of its proper divisors (14601768260).

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

11020202320 is a wasteful number, since it uses less digits than its factorization.

11020202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137752542 (or 137752536 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 11020202320 its reverse (2320202011), we get a palindrome (13340404331).

The spelling of 11020202320 in words is "eleven billion, twenty million, two hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 137752529 275505058 551010116 688762645 1102020232 1377525290 2204040464 2755050580 5510101160 11020202320