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20222312222020 = 22519124121965971
BaseRepresentation
bin1001001100100010111111…
…01111001000110101000100
32122121020022201010111201111
410212101133233020311010
510122310243412101040
6111002000232334404
74155004514516566
oct446213757106504
978536281114644
1020222312222020
116497264066947
122327277544404
13b38c57041a3c
144dca9d755336
1525106705ddea
hex12645fbc8d44

20222312222020 has 48 divisors (see below), whose sum is σ = 42866330766336. Its totient is φ = 8013185856000.

The previous prime is 20222312222011. The next prime is 20222312222069. The reversal of 20222312222020 is 2022221322202.

It is a junction number, because it is equal to n+sod(n) for n = 20222312221982 and 20222312222000.

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, 10062366 + ... + 11903605.

It is an arithmetic number, because the mean of its divisors is an integer number (893048557632).

Almost surely, 220222312222020 is an apocalyptic number.

20222312222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222312222020 is an abundant number, since it is smaller than the sum of its proper divisors (22644018544316).

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

20222312222020 is a wasteful number, since it uses less digits than its factorization.

20222312222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21966412 (or 21966410 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20222312222020 its reverse (2022221322202), we get a palindrome (22244533544222).

The spelling of 20222312222020 in words is "twenty trillion, two hundred twenty-two billion, three hundred twelve million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 191 241 382 482 764 955 964 1205 1910 2410 3820 4820 46031 92062 184124 230155 460310 920620 21965971 43931942 87863884 109829855 219659710 439319420 4195500461 5293799011 8391000922 10587598022 16782001844 20977502305 21175196044 26468995055 41955004610 52937990110 83910009220 105875980220 1011115611101 2022231222202 4044462444404 5055578055505 10111156111010 20222312222020