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20106605200 = 2452114569683
BaseRepresentation
bin10010101110011100…
…100111001010010000
31220220021010101002111
4102232130213022100
5312134242331300
613123054155104
71311155216143
oct225634471220
956807111074
1020106605200
1185887220a0
123a917b2a94
131b857c1a36
14d8a51605a
157ca2c79ba
hex4ae727290

20106605200 has 60 divisors (see below), whose sum is σ = 52697595888. Its totient is φ = 7311491200.

The previous prime is 20106605171. The next prime is 20106605213. The reversal of 20106605200 is 250660102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2280442 + ... + 2289241.

Almost surely, 220106605200 is an apocalyptic number.

20106605200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20106605200 is an abundant number, since it is smaller than the sum of its proper divisors (32590990688).

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

20106605200 is a wasteful number, since it uses less digits than its factorization.

20106605200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569712 (or 4569701 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 20106605200 in words is "twenty billion, one hundred six million, six hundred five thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1100 2200 4400 4569683 9139366 18278732 22848415 36557464 45696830 50266513 73114928 91393660 100533026 114242075 182787320 201066052 228484150 251332565 365574640 402132104 456968300 502665130 804264208 913936600 1005330260 1256662825 1827873200 2010660520 2513325650 4021321040 5026651300 10053302600 20106605200