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20041203441 = 377113441451
BaseRepresentation
bin10010101010100011…
…000111111011110001
31220201201001121202010
4102222203013323301
5312021022002231
613112400313133
71306432263360
oct225243077361
956651047663
1020041203441
118554811856
123a739127a9
131b750a317c
14d8196d7d7
157c46a9546
hex4aa8c7ef1

20041203441 has 16 divisors (see below), whose sum is σ = 30969105408. Its totient is φ = 11290818000.

The previous prime is 20041203407. The next prime is 20041203443. The reversal of 20041203441 is 14430214002.

It is not a de Polignac number, because 20041203441 - 221 = 20039106289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20041203443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6719235 + ... + 6722216.

It is an arithmetic number, because the mean of its divisors is an integer number (1935569088).

Almost surely, 220041203441 is an apocalyptic number.

20041203441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20041203441 is a deficient number, since it is larger than the sum of its proper divisors (10927901967).

20041203441 is a wasteful number, since it uses less digits than its factorization.

20041203441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13441532.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20041203441 its reverse (14430214002), we get a palindrome (34471417443).

The spelling of 20041203441 in words is "twenty billion, forty-one million, two hundred three thousand, four hundred forty-one".

Divisors: 1 3 7 21 71 213 497 1491 13441451 40324353 94090157 282270471 954343021 2863029063 6680401147 20041203441