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20020330121 = 112521972169
BaseRepresentation
bin10010101001010011…
…011111111010001001
31220200020210010221012
4102221103133322021
5312000201030441
613110333053305
71306056666251
oct225123377211
956606703835
1020020330121
118543a55380
123a68927235
131b709753ac
14d7cc98961
157c29349eb
hex4a94dfe89

20020330121 has 8 divisors (see below), whose sum is σ = 21841528800. Its totient is φ = 18199326240.

The previous prime is 20020330067. The next prime is 20020330163. The reversal of 20020330121 is 12103302002.

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 20020330121 - 222 = 20016135817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20020330096 and 20020330105.

It is not an unprimeable number, because it can be changed into a prime (20020330171) 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 7 ways as a sum of consecutive naturals, for example, 241325 + ... + 313493.

It is an arithmetic number, because the mean of its divisors is an integer number (2730191100).

Almost surely, 220020330121 is an apocalyptic number.

It is an amenable number.

20020330121 is a deficient number, since it is larger than the sum of its proper divisors (1821198679).

20020330121 is a wasteful number, since it uses less digits than its factorization.

20020330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97399.

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

Adding to 20020330121 its reverse (12103302002), we get a palindrome (32123632123).

The spelling of 20020330121 in words is "twenty billion, twenty million, three hundred thirty thousand, one hundred twenty-one".

Divisors: 1 11 25219 72169 277409 793859 1820030011 20020330121