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20413020441 = 311738473649
BaseRepresentation
bin10011000000101101…
…011111100100011001
31221200121200212210010
4103000231133210121
5313301213123231
613213321512133
71321565545062
oct230055374431
957617625703
1020413020441
118725688430
123b58342649
131c04127828
14db90b9569
157e7152546
hex4c0b5f919

20413020441 has 16 divisors (see below), whose sum is σ = 30098404800. Its totient is φ = 12202053120.

The previous prime is 20413020409. The next prime is 20413020451. The reversal of 20413020441 is 14402031402.

It is not a de Polignac number, because 20413020441 - 25 = 20413020409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20413020451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4234416 + ... + 4239233.

It is an arithmetic number, because the mean of its divisors is an integer number (1881150300).

Almost surely, 220413020441 is an apocalyptic number.

It is an amenable number.

20413020441 is a deficient number, since it is larger than the sum of its proper divisors (9685384359).

20413020441 is a wasteful number, since it uses less digits than its factorization.

20413020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473736.

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

Adding to 20413020441 its reverse (14402031402), we get a palindrome (34815051843).

The spelling of 20413020441 in words is "twenty billion, four hundred thirteen million, twenty thousand, four hundred forty-one".

Divisors: 1 3 11 33 73 219 803 2409 8473649 25420947 93210139 279630417 618576377 1855729131 6804340147 20413020441