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200022222020 = 22517619644273
BaseRepresentation
bin1011101001001001000…
…0001110010011000100
3201010021220002200101012
42322102100032103010
511234121142101040
6231520002221352
720310510556145
oct2722220162304
9633256080335
10200022222020
1177913369a05
1232923054858
1315b28accaba
149977027acc
15530a3b3865
hex2e9240e4c4

200022222020 has 48 divisors (see below), whose sum is σ = 452046410928. Its totient is φ = 74068008960.

The previous prime is 200022222007. The next prime is 200022222053. The reversal of 200022222020 is 20222220002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 30490747456 + 169531474564 = 174616^2 + 411742^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200022221986 and 200022222004.

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, 4801397 + ... + 4842876.

It is an arithmetic number, because the mean of its divisors is an integer number (9417633561).

Almost surely, 2200022222020 is an apocalyptic number.

200022222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200022222020 is an abundant number, since it is smaller than the sum of its proper divisors (252024188908).

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

200022222020 is a wasteful number, since it uses less digits than its factorization.

200022222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644360 (or 9644358 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 200022222020 its reverse (20222220002), we get a palindrome (220244442022).

The spelling of 200022222020 in words is "two hundred billion, twenty-two million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 61 68 85 122 170 244 305 340 610 1037 1220 2074 4148 5185 10370 20740 9644273 19288546 38577092 48221365 96442730 163952641 192885460 327905282 588300653 655810564 819763205 1176601306 1639526410 2353202612 2941503265 3279052820 5883006530 10001111101 11766013060 20002222202 40004444404 50005555505 100011111010 200022222020