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20144113020 = 2233537303913
BaseRepresentation
bin10010110000101011…
…101100010101111100
31220222212200222011000
4102300223230111330
5312223343104040
613130514130300
71312122064323
oct226053542574
956885628130
1020144113020
1185a7910299
123aa2280990
131b904c5105
14d914bb0ba
157cd736130
hex4b0aec57c

20144113020 has 48 divisors (see below), whose sum is σ = 62670575520. Its totient is φ = 5371763328.

The previous prime is 20144112983. The next prime is 20144113043. The reversal of 20144113020 is 2031144102.

20144113020 is a `hidden beast` number, since 201 + 4 + 411 + 30 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20144112984 and 20144113002.

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, 18651417 + ... + 18652496.

It is an arithmetic number, because the mean of its divisors is an integer number (1305636990).

Almost surely, 220144113020 is an apocalyptic number.

20144113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20144113020 is an abundant number, since it is smaller than the sum of its proper divisors (42526462500).

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

20144113020 is a wasteful number, since it uses less digits than its factorization.

20144113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37303931 (or 37303923 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20144113020 its reverse (2031144102), we get a palindrome (22175257122).

The spelling of 20144113020 in words is "twenty billion, one hundred forty-four million, one hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 37303913 74607826 111911739 149215652 186519565 223823478 335735217 373039130 447646956 559558695 671470434 746078260 1007205651 1119117390 1342940868 1678676085 2014411302 2238234780 3357352170 4028822604 5036028255 6714704340 10072056510 20144113020