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20020113323 = 72860016189
BaseRepresentation
bin10010101001010010…
…101010111110101011
31220200020101010112122
4102221102222332223
5312000122111243
613110324301455
71306055104220
oct225122527653
956606333478
1020020113323
118543917501
123a6884188b
131b708ca802
14d7cc3d947
157c28e0668
hex4a94aafab

20020113323 has 4 divisors (see below), whose sum is σ = 22880129520. Its totient is φ = 17160097128.

The previous prime is 20020113313. The next prime is 20020113331. The reversal of 20020113323 is 32331102002.

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 20020113323 - 26 = 20020113259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020113313) 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, 1430008088 + ... + 1430008101.

It is an arithmetic number, because the mean of its divisors is an integer number (5720032380).

Almost surely, 220020113323 is an apocalyptic number.

20020113323 is a deficient number, since it is larger than the sum of its proper divisors (2860016197).

20020113323 is an equidigital number, since it uses as much as digits as its factorization.

20020113323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860016196.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20020113323 its reverse (32331102002), we get a palindrome (52351215325).

The spelling of 20020113323 in words is "twenty billion, twenty million, one hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 7 2860016189 20020113323