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2020444140 = 22351113235483
BaseRepresentation
bin111100001101101…
…1000011111101100
312012210211012022110
41320123120133230
513114213203030
6532253044020
7101032330461
oct17033303754
95183735273
102020444140
11947540650
12484786610
132627849a0
1415249b668
15bc5a01b0
hex786d87ec

2020444140 has 96 divisors (see below), whose sum is σ = 6646300416. Its totient is φ = 452125440.

The previous prime is 2020444133. The next prime is 2020444157. The reversal of 2020444140 is 414440202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109162 + ... + 126321.

It is an arithmetic number, because the mean of its divisors is an integer number (69232296).

Almost surely, 22020444140 is an apocalyptic number.

2020444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020444140 is an abundant number, since it is smaller than the sum of its proper divisors (4625856276).

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

2020444140 is a wasteful number, since it uses less digits than its factorization.

2020444140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235519 (or 235517 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2020444140 is about 44949.3508295726. The cubic root of 2020444140 is about 1264.1995050084.

Adding to 2020444140 its reverse (414440202), we get a palindrome (2434884342).

The spelling of 2020444140 in words is "two billion, twenty million, four hundred forty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 195 220 260 286 330 390 429 572 660 715 780 858 1430 1716 2145 2860 4290 8580 235483 470966 706449 941932 1177415 1412898 2354830 2590313 2825796 3061279 3532245 4709660 5180626 6122558 7064490 7770939 9183837 10361252 12245116 12951565 14128980 15306395 15541878 18367674 25903130 30612790 31083756 33674069 36735348 38854695 45919185 51806260 61225580 67348138 77709390 91838370 101022207 134696276 155418780 168370345 183676740 202044414 336740690 404088828 505111035 673481380 1010222070 2020444140