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20020013321 = 711260000173
BaseRepresentation
bin10010101001010010…
…010010100100001001
31220200020012001100212
4102221102102210021
5312000110411241
613110322210505
71306054206530
oct225122224411
956606161325
1020020013321
118543859360
123a687b3a35
131b70894139
14d7cc15317
157c28c0beb
hex4a9492909

20020013321 has 8 divisors (see below), whose sum is σ = 24960016704. Its totient is φ = 15600010320.

The previous prime is 20020013269. The next prime is 20020013329. The reversal of 20020013321 is 12331002002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20020013321 - 230 = 18946271497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020013296 and 20020013305.

It is not an unprimeable number, because it can be changed into a prime (20020013329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130000010 + ... + 130000163.

It is an arithmetic number, because the mean of its divisors is an integer number (3120002088).

Almost surely, 220020013321 is an apocalyptic number.

It is an amenable number.

20020013321 is a deficient number, since it is larger than the sum of its proper divisors (4940003383).

20020013321 is a wasteful number, since it uses less digits than its factorization.

20020013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260000191.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20020013321 its reverse (12331002002), we get a palindrome (32351015323).

The spelling of 20020013321 in words is "twenty billion, twenty million, thirteen thousand, three hundred twenty-one".

Divisors: 1 7 11 77 260000173 1820001211 2860001903 20020013321