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20036744084 = 227899782891
BaseRepresentation
bin10010101010010010…
…000111001110010100
31220201101200001122202
4102222102013032110
5312013401302314
613112120544032
71306346341340
oct225222071624
956641601582
1020036744084
118552246435
123a72322018
131b741a14b6
14d8112c620
157c40c80de
hex4aa487394

20036744084 has 48 divisors (see below), whose sum is σ = 40942016640. Its totient is φ = 8403056640.

The previous prime is 20036744023. The next prime is 20036744087. The reversal of 20036744084 is 48044763002.

It is a super-2 number, since 2×200367440842 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036744087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200279 + ... + 283169.

It is an arithmetic number, because the mean of its divisors is an integer number (852958680).

Almost surely, 220036744084 is an apocalyptic number.

It is an amenable number.

20036744084 is an abundant number, since it is smaller than the sum of its proper divisors (20905272556).

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

20036744084 is a wasteful number, since it uses less digits than its factorization.

20036744084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83088 (or 83086 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 20036744084 in words is "twenty billion, thirty-six million, seven hundred forty-four thousand, eighty-four".

Divisors: 1 2 4 7 14 28 89 97 178 194 356 388 623 679 1246 1358 2492 2716 8633 17266 34532 60431 82891 120862 165782 241724 331564 580237 1160474 2320948 7377299 8040427 14754598 16080854 29509196 32161708 51641093 56282989 103282186 112565978 206564372 225131956 715598003 1431196006 2862392012 5009186021 10018372042 20036744084