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20440200202200 = 23325211355666779
BaseRepresentation
bin1001010010111000110101…
…10111110100011111011000
32200101001201200210201221100
410221130122313310133120
510134343012222432300
6111250033124111400
74206520134012402
oct451343267643730
980331650721840
1020440200202200
116570705159339
122361545835560
13b5366c2cc96c
1450944d423b72
15256a6ab10700
hex12971adf47d8

20440200202200 has 72 divisors (see below), whose sum is σ = 68645005685100. Its totient is φ = 5450720053440.

The previous prime is 20440200202153. The next prime is 20440200202273. The reversal of 20440200202200 is 220200204402.

20440200202200 is a `hidden beast` number, since 2 + 0 + 440 + 2 + 0 + 0 + 2 + 0 + 220 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5677831590 + ... + 5677835189.

Almost surely, 220440200202200 is an apocalyptic number.

20440200202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20440200202200 is an abundant number, since it is smaller than the sum of its proper divisors (48204805482900).

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

20440200202200 is a wasteful number, since it uses less digits than its factorization.

20440200202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11355666801 (or 11355666789 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20440200202200 its reverse (220200204402), we get a palindrome (20660400406602).

The spelling of 20440200202200 in words is "twenty trillion, four hundred forty billion, two hundred million, two hundred two thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 11355666779 22711333558 34067000337 45422667116 56778333895 68134000674 90845334232 102201001011 113556667790 136268001348 170335001685 204402002022 227113335580 272536002696 283891669475 340670003370 408804004044 454226671160 511005005055 567783338950 681340006740 817608008088 851675008425 1022010010110 1135566677900 1362680013480 1703350016850 2044020020220 2271133355800 2555025025275 3406700033700 4088040040440 5110050050550 6813400067400 10220100101100 20440200202200