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20333323330031 = 178389161916589
BaseRepresentation
bin1001001111110001110001…
…00000111010000111101111
32122222211212021010002112102
410213320320200322013233
510131120121233030111
6111124555541525315
74166014464414035
oct447707040720757
978884767102472
1020333323330031
11652a34aa27408
122344898a1383b
13b46568b67aba
145041d0d38555
15253db2cce13b
hex127e3883a1ef

20333323330031 has 16 divisors (see below), whose sum is σ = 22033609567200. Its totient is φ = 18694241584128.

The previous prime is 20333323330007. The next prime is 20333323330037. The reversal of 20333323330031 is 13003332333302.

It is a cyclic number.

It is not a de Polignac number, because 20333323330031 - 238 = 20058445423087 is a prime.

It is a super-2 number, since 2×203333233300312 (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 = 20333323329976 and 20333323330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333323330037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80832716 + ... + 81083873.

It is an arithmetic number, because the mean of its divisors is an integer number (1377100597950).

Almost surely, 220333323330031 is an apocalyptic number.

20333323330031 is a deficient number, since it is larger than the sum of its proper divisors (1700286237169).

20333323330031 is a wasteful number, since it uses less digits than its factorization.

20333323330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161916778.

The product of its (nonzero) digits is 26244, while the sum is 29.

Adding to 20333323330031 its reverse (13003332333302), we get a palindrome (33336655663333).

The spelling of 20333323330031 in words is "twenty trillion, three hundred thirty-three billion, three hundred twenty-three million, three hundred thirty thousand, thirty-one".

Divisors: 1 17 83 89 1411 1513 7387 125579 161916589 2752582013 13439076887 14410576421 228464307079 244979799157 1196077842943 20333323330031