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20023320223 is a prime number
BaseRepresentation
bin10010101001011110…
…111001111010011111
31220200110102001120201
4102221132321322133
5312001432221343
613110521124331
71306124261614
oct225136717237
956613361521
1020023320223
118545707935
123a699296a7
131b7148139a
14d7d43650b
157c2d2594d
hex4a97b9e9f

20023320223 has 2 divisors, whose sum is σ = 20023320224. Its totient is φ = 20023320222.

The previous prime is 20023320179. The next prime is 20023320227. The reversal of 20023320223 is 32202332002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023320223 - 213 = 20023312031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20023320223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023320227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011660111 + 10011660112.

It is an arithmetic number, because the mean of its divisors is an integer number (10011660112).

Almost surely, 220023320223 is an apocalyptic number.

20023320223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023320223 is an equidigital number, since it uses as much as digits as its factorization.

20023320223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 20023320223 its reverse (32202332002), we get a palindrome (52225652225).

The spelling of 20023320223 in words is "twenty billion, twenty-three million, three hundred twenty thousand, two hundred twenty-three".