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20331012003030 = 2325239821744929
BaseRepresentation
bin1001001111101101011101…
…01111111001010011010110
32122222121220011221111221200
410213312232233321103112
510131100403033044110
6111123534334053330
74165603300435251
oct447665657712326
978877804844850
1020331012003030
11652937427a203
12234435294a246
13b4628b0580a1
14504051d9c098
15253cc9e216c0
hex127daebf94d6

20331012003030 has 48 divisors (see below), whose sum is σ = 55158919526880. Its totient is φ = 5185881321984.

The previous prime is 20331012003019. The next prime is 20331012003031. The reversal of 20331012003030 is 3030021013302.

20331012003030 is a `hidden beast` number, since 20 + 331 + 0 + 12 + 0 + 0 + 303 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20331012002994 and 20331012003012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331012003031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4910870395 + ... + 4910874534.

It is an arithmetic number, because the mean of its divisors is an integer number (1149144156810).

Almost surely, 220331012003030 is an apocalyptic number.

20331012003030 is an abundant number, since it is smaller than the sum of its proper divisors (34827907523850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20331012003030 is a wasteful number, since it uses less digits than its factorization.

20331012003030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9821744965 (or 9821744962 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20331012003030 its reverse (3030021013302), we get a palindrome (23361033016332).

The spelling of 20331012003030 in words is "twenty trillion, three hundred thirty-one billion, twelve million, three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 9821744929 19643489858 29465234787 49108724645 58930469574 88395704361 98217449290 147326173935 176791408722 225900133367 294652347870 441978521805 451800266734 677700400101 883957043610 1129500666835 1355400800202 2033101200303 2259001333670 3388502000505 4066202400606 6777004001010 10165506001515 20331012003030