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20244204353 = 28371534291
BaseRepresentation
bin10010110110101001…
…100000101101000001
31221020212001010122102
4102312221200231001
5312430004014403
613144451320145
71314445616642
oct226651405501
957225033572
1020244204353
1186493643aa
123b0b8b0055
131ba816b359
14da08d36c9
157d7407b88
hex4b6a60b41

20244204353 has 4 divisors (see below), whose sum is σ = 20315738928. Its totient is φ = 20172669780.

The previous prime is 20244204347. The next prime is 20244204361. The reversal of 20244204353 is 35340244202.

It is a happy number.

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 20244204353 - 214 = 20244187969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20244204053) 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, 35766863 + ... + 35767428.

It is an arithmetic number, because the mean of its divisors is an integer number (5078934732).

Almost surely, 220244204353 is an apocalyptic number.

It is an amenable number.

20244204353 is a deficient number, since it is larger than the sum of its proper divisors (71534575).

20244204353 is an equidigital number, since it uses as much as digits as its factorization.

20244204353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71534574.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 20244204353 its reverse (35340244202), we get a palindrome (55584448555).

The spelling of 20244204353 in words is "twenty billion, two hundred forty-four million, two hundred four thousand, three hundred fifty-three".

Divisors: 1 283 71534291 20244204353