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20330010133031 = 202970571419827
BaseRepresentation
bin1001001111101011100110…
…00010000100001000100111
32122222112022100202020200102
410213311303002010020213
510131041330043224111
6111123251104334315
74165536413615414
oct447656302041047
978875270666612
1020330010133031
1165289aa799475
12234411331439b
13b4615b6149c1
14503d98cc510b
15253c6bec113b
hex127d73084227

20330010133031 has 8 divisors (see below), whose sum is σ = 20342926428720. Its totient is φ = 20317096695168.

The previous prime is 20330010133019. The next prime is 20330010133049. The reversal of 20330010133031 is 13033101003302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20330010133031 is a prime.

It is a super-2 number, since 2×203300101330312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330010132994 and 20330010133012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330010133001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13608740 + ... + 15028566.

It is an arithmetic number, because the mean of its divisors is an integer number (2542865803590).

Almost surely, 220330010133031 is an apocalyptic number.

20330010133031 is a deficient number, since it is larger than the sum of its proper divisors (12916295689).

20330010133031 is a wasteful number, since it uses less digits than its factorization.

20330010133031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428913.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20330010133031 its reverse (13033101003302), we get a palindrome (33363111136333).

The spelling of 20330010133031 in words is "twenty trillion, three hundred thirty billion, ten million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 2029 7057 1419827 14318653 2880828983 10019719139 20330010133031