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20444404041 = 3241367150967
BaseRepresentation
bin10011000010100101…
…001101100101001001
31221202210202022222200
4103002211031211021
5313332231412131
613220402310413
71322426365335
oct230245154511
957683668880
1020444404041
118741373396
123b66958409
131c0a7954c9
14dbd3287c5
157e9ca12e6
hex4c294d949

20444404041 has 24 divisors (see below), whose sum is σ = 30333698304. Its totient is φ = 13260853440.

The previous prime is 20444404037. The next prime is 20444404121. The reversal of 20444404041 is 14040444402.

It is not a de Polignac number, because 20444404041 - 22 = 20444404037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20444403996 and 20444404014.

It is not an unprimeable number, because it can be changed into a prime (20444404031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59940 + ... + 210906.

It is an arithmetic number, because the mean of its divisors is an integer number (1263904096).

Almost surely, 220444404041 is an apocalyptic number.

It is an amenable number.

20444404041 is a deficient number, since it is larger than the sum of its proper divisors (9889294263).

20444404041 is a wasteful number, since it uses less digits than its factorization.

20444404041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151381 (or 151378 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 20444404041 its reverse (14040444402), we get a palindrome (34484848443).

The spelling of 20444404041 in words is "twenty billion, four hundred forty-four million, four hundred four thousand, forty-one".

Divisors: 1 3 9 41 123 367 369 1101 3303 15047 45141 135423 150967 452901 1358703 6189647 18568941 55404889 55706823 166214667 498644001 2271600449 6814801347 20444404041