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20202231441320 = 235505055786033
BaseRepresentation
bin1001001011111101100101…
…10101000010011110101000
32122112022111020121011011222
410211332302311002132220
510121443132222110240
6110544435455441212
74153364061635465
oct445766265023650
978468436534158
1020202231441320
116489799a83115
1223233b2526208
13b370a69c2596
144dbb1684266c
1525078e187eb5
hex125fb2d427a8

20202231441320 has 16 divisors (see below), whose sum is σ = 45455020743060. Its totient is φ = 8080892576512.

The previous prime is 20202231441289. The next prime is 20202231441377. The reversal of 20202231441320 is 2314413220202.

It can be written as a sum of positive squares in 2 ways, for example, as 20154227507716 + 48003933604 = 4489346^2 + 219098^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20202231441320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252527892977 + ... + 252527893056.

Almost surely, 220202231441320 is an apocalyptic number.

20202231441320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202231441320 is an abundant number, since it is smaller than the sum of its proper divisors (25252789301740).

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

20202231441320 is a wasteful number, since it uses less digits than its factorization.

20202231441320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505055786044 (or 505055786040 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20202231441320 its reverse (2314413220202), we get a palindrome (22516644661522).

The spelling of 20202231441320 in words is "twenty trillion, two hundred two billion, two hundred thirty-one million, four hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 505055786033 1010111572066 2020223144132 2525278930165 4040446288264 5050557860330 10101115720660 20202231441320