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20366752252 = 2271166125819
BaseRepresentation
bin10010111101111100…
…111111100111111100
31221120101122012202111
4102331330333213330
5313202342033002
613204550103404
71320464352310
oct227574774774
957511565674
1020366752252
118701556460
123b4494ab64
131bc7677bc2
14db2cb3b40
157e30633d7
hex4bdf3f9fc

20366752252 has 24 divisors (see below), whose sum is σ = 44436551040. Its totient is φ = 7935098160.

The previous prime is 20366752249. The next prime is 20366752261. The reversal of 20366752252 is 25225766302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33062602 + ... + 33063217.

It is an arithmetic number, because the mean of its divisors is an integer number (1851522960).

Almost surely, 220366752252 is an apocalyptic number.

20366752252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20366752252 is an abundant number, since it is smaller than the sum of its proper divisors (24069798788).

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

20366752252 is a wasteful number, since it uses less digits than its factorization.

20366752252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66125841 (or 66125839 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 20366752252 in words is "twenty billion, three hundred sixty-six million, seven hundred fifty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 66125819 132251638 264503276 462880733 727384009 925761466 1454768018 1851522932 2909536036 5091688063 10183376126 20366752252