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20042004240001 = 163122957081227
BaseRepresentation
bin1001000111010011001001…
…00010110001011010000001
32121221222220201211222120101
410203221210202301122001
510111332011041140001
6110343100350442401
74135662356123662
oct443514442613201
977858821758511
1020042004240001
116427847999277
1222b8336803401
13b24c50666513
144d4076aa9369
1524b5127bba01
hex123a648b1681

20042004240001 has 4 divisors (see below), whose sum is σ = 20164961321392. Its totient is φ = 19919047158612.

The previous prime is 20042004239921. The next prime is 20042004240029. The reversal of 20042004240001 is 10004240024002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20042004240001 - 221 = 20042002142849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20042004240701) 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, 61478540451 + ... + 61478540776.

It is an arithmetic number, because the mean of its divisors is an integer number (5041240330348).

Almost surely, 220042004240001 is an apocalyptic number.

It is an amenable number.

20042004240001 is a deficient number, since it is larger than the sum of its proper divisors (122957081391).

20042004240001 is a wasteful number, since it uses less digits than its factorization.

20042004240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122957081390.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20042004240001 its reverse (10004240024002), we get a palindrome (30046244264003).

The spelling of 20042004240001 in words is "twenty trillion, forty-two billion, four million, two hundred forty thousand, one".

Divisors: 1 163 122957081227 20042004240001