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20003422013444 = 229975015903213
BaseRepresentation
bin1001000110001011010001…
…10111010000100000000100
32121211022022212120210121102
410203011220313100200010
510110214002013412234
6110313240055435232
74133125305452312
oct443055067204004
977738285523542
1020003422013444
116412449269421
1222b0969685b18
13b2141224656c
144d22569190b2
1524a5054dac7e
hex123168dd0804

20003422013444 has 12 divisors (see below), whose sum is σ = 35041099853004. Its totient is φ = 9991679198304.

The previous prime is 20003422013429. The next prime is 20003422013447. The reversal of 20003422013444 is 44431022430002.

It can be written as a sum of positive squares in 2 ways, for example, as 18254786043844 + 1748635969600 = 4272562^2 + 1322360^2 .

It is a super-2 number, since 2×200034220134442 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20003422013447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507947619 + ... + 2507955594.

It is an arithmetic number, because the mean of its divisors is an integer number (2920091654417).

Almost surely, 220003422013444 is an apocalyptic number.

It is an amenable number.

20003422013444 is a deficient number, since it is larger than the sum of its proper divisors (15037677839560).

20003422013444 is a wasteful number, since it uses less digits than its factorization.

20003422013444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015904214 (or 5015904212 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 20003422013444 its reverse (44431022430002), we get a palindrome (64434444443446).

The spelling of 20003422013444 in words is "twenty trillion, three billion, four hundred twenty-two million, thirteen thousand, four hundred forty-four".

Divisors: 1 2 4 997 1994 3988 5015903213 10031806426 20063612852 5000855503361 10001711006722 20003422013444