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20233214321 = 21195892011
BaseRepresentation
bin10010110101111111…
…100101100101110001
31221020002100210011012
4102311333211211301
5312414200324241
613143420000305
71314253325015
oct226577454561
957202323135
1020233214321
118643138431
123b08090095
131ba5ac0c88
14d9d272545
157d64866eb
hex4b5fe5971

20233214321 has 4 divisors (see below), whose sum is σ = 20329106544. Its totient is φ = 20137322100.

The previous prime is 20233214317. The next prime is 20233214329. The reversal of 20233214321 is 12341233202.

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 20233214321 - 22 = 20233214317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233214329) 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, 47945795 + ... + 47946216.

It is an arithmetic number, because the mean of its divisors is an integer number (5082276636).

Almost surely, 220233214321 is an apocalyptic number.

It is an amenable number.

20233214321 is a deficient number, since it is larger than the sum of its proper divisors (95892223).

20233214321 is an equidigital number, since it uses as much as digits as its factorization.

20233214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95892222.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20233214321 its reverse (12341233202), we get a palindrome (32574447523).

The spelling of 20233214321 in words is "twenty billion, two hundred thirty-three million, two hundred fourteen thousand, three hundred twenty-one".

Divisors: 1 211 95892011 20233214321