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20331012003012 = 2233274709685271
BaseRepresentation
bin1001001111101101011101…
…01111111001010011000100
32122222121220011221111221000
410213312232233321103010
510131100403033044022
6111123534334053300
74165603300435224
oct447665657712304
978877804844830
1020331012003012
11652937427a197
12234435294a230
13b4628b058089
14504051d9c084
15253cc9e216ac
hex127daebf94c4

20331012003012 has 48 divisors (see below), whose sum is σ = 52710299913600. Its totient is φ = 6776969441760.

The previous prime is 20331012002963. The next prime is 20331012003013. The reversal of 20331012003012 is 21030021013302.

20331012003012 is a `hidden beast` number, since 20 + 331 + 0 + 12 + 0 + 0 + 301 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20331012003013) 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, 29325937 + ... + 30011207.

It is an arithmetic number, because the mean of its divisors is an integer number (1098131248200).

Almost surely, 220331012003012 is an apocalyptic number.

It is an amenable number.

20331012003012 is an abundant number, since it is smaller than the sum of its proper divisors (32379287910588).

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

20331012003012 is a wasteful number, since it uses less digits than its factorization.

20331012003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959993 (or 959985 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20331012003012 its reverse (21030021013302), we get a palindrome (41361033016314).

The spelling of 20331012003012 in words is "twenty trillion, three hundred thirty-one billion, twelve million, three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 274709 549418 685271 824127 1098836 1370542 1648254 2055813 2472381 2741084 3296508 4111626 4944762 6167439 7417143 8223252 9889524 12334878 14834286 18502317 24669756 29668572 37004634 74009268 188250111139 376500222278 564750333417 753000444556 1129500666834 1694251000251 2259001333668 3388502000502 5082753000753 6777004001004 10165506001506 20331012003012