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20224240403 = 22390691661
BaseRepresentation
bin10010110101011101…
…010110101100010011
31221012110110212020212
4102311131112230103
5312404401143103
613142455354335
71314114131003
oct226535265423
957173425225
1020224240403
118639069174
123b050829ab
131ba3c9b473
14d9bdb8003
157d57b27d8
hex4b5756b13

20224240403 has 4 divisors (see below), whose sum is σ = 20314932288. Its totient is φ = 20133548520.

The previous prime is 20224240339. The next prime is 20224240453. The reversal of 20224240403 is 30404242202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20224240403 - 26 = 20224240339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20224240453) 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 3 ways as a sum of consecutive naturals, for example, 45345608 + ... + 45346053.

It is an arithmetic number, because the mean of its divisors is an integer number (5078733072).

Almost surely, 220224240403 is an apocalyptic number.

20224240403 is a deficient number, since it is larger than the sum of its proper divisors (90691885).

20224240403 is an equidigital number, since it uses as much as digits as its factorization.

20224240403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90691884.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20224240403 its reverse (30404242202), we get a palindrome (50628482605).

The spelling of 20224240403 in words is "twenty billion, two hundred twenty-four million, two hundred forty thousand, four hundred three".

Divisors: 1 223 90691661 20224240403