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220200200021220 = 22357015235382787
BaseRepresentation
bin110010000100010101011010…
…101100111010010011100100
31001212122221012112202101020220
4302010111122230322103210
5212330230002201134340
62100154324140524340
764244640142416606
oct6204253254722344
91055587175671226
10220200200021220
1164187420339481
12208443355506b0
1395b3a36155923
143c53a6474d176
151a6cda4c09ed0
hexc8455ab3a4e4

220200200021220 has 48 divisors (see below), whose sum is σ = 617440104485568. Its totient is φ = 58636287203200.

The previous prime is 220200200021171. The next prime is 220200200021233. The reversal of 220200200021220 is 22120002002022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 220200200021220.

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, 2617649334 + ... + 2617733453.

It is an arithmetic number, because the mean of its divisors is an integer number (12863335510116).

Almost surely, 2220200200021220 is an apocalyptic number.

220200200021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220200200021220 is an abundant number, since it is smaller than the sum of its proper divisors (397239904464348).

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

220200200021220 is a wasteful number, since it uses less digits than its factorization.

220200200021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235383500 (or 5235383498 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220200200021220 its reverse (22120002002022), we get a palindrome (242320202023242).

The spelling of 220200200021220 in words is "two hundred twenty trillion, two hundred billion, two hundred million, twenty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 701 1402 2103 2804 3505 4206 7010 8412 10515 14020 21030 42060 5235382787 10470765574 15706148361 20941531148 26176913935 31412296722 52353827870 62824593444 78530741805 104707655740 157061483610 314122967220 3670003333687 7340006667374 11010010001061 14680013334748 18350016668435 22020020002122 36700033336870 44040040004244 55050050005305 73400066673740 110100100010610 220200200021220