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20333223012131 = 347212927523337
BaseRepresentation
bin1001001111110001100101…
…00010001110011100100011
32122222211121021100102020122
410213320302202032130203
510131114420042342011
6111124541555430455
74166012135626031
oct447706242163443
978884537312218
1020333223012131
11652a2a9339057
12234486b2b542b
13b465511426b3
145041c18a3551
15253da90b53db
hex127e3288e723

20333223012131 has 8 divisors (see below), whose sum is σ = 20401399059120. Its totient is φ = 20265102016768.

The previous prime is 20333223012119. The next prime is 20333223012169. The reversal of 20333223012131 is 13121032233302.

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 20333223012131 - 210 = 20333223011107 is a prime.

It is a super-2 number, since 2×203332230121312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20333223012131.

It is not an unprimeable number, because it can be changed into a prime (20333223014131) 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, 13022906 + ... + 14500431.

It is an arithmetic number, because the mean of its divisors is an integer number (2550174882390).

Almost surely, 220333223012131 is an apocalyptic number.

20333223012131 is a deficient number, since it is larger than the sum of its proper divisors (68176046989).

20333223012131 is a wasteful number, since it uses less digits than its factorization.

20333223012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27525813.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20333223012131 its reverse (13121032233302), we get a palindrome (33454255245433).

The spelling of 20333223012131 in words is "twenty trillion, three hundred thirty-three billion, two hundred twenty-three million, twelve thousand, one hundred thirty-one".

Divisors: 1 347 2129 738763 27523337 9550597939 58597184473 20333223012131