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20330031012032 = 26745379533509
BaseRepresentation
bin1001001111101011101000…
…10001101101100011000000
32122222112100211001000021202
410213311310101231203000
510131041400414341112
6111123253132040332
74165540056235220
oct447656421554300
978875324030252
1020330031012032
116528a1055a145
12234411a3030a8
13b46162a45241
14503d9b99c080
15253c6dc476c2
hex127d7446d8c0

20330031012032 has 28 divisors (see below), whose sum is σ = 46105606046160. Its totient is φ = 8712870433536.

The previous prime is 20330031012001. The next prime is 20330031012061. The reversal of 20330031012032 is 23021013003302.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×203300310120322 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20330031011995 and 20330031012013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22689766307 + ... + 22689767202.

Almost surely, 220330031012032 is an apocalyptic number.

It is an amenable number.

20330031012032 is an abundant number, since it is smaller than the sum of its proper divisors (25775575034128).

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

20330031012032 is an equidigital number, since it uses as much as digits as its factorization.

20330031012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45379533528 (or 45379533518 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20330031012032 its reverse (23021013003302), we get a palindrome (43351044015334).

The spelling of 20330031012032 in words is "twenty trillion, three hundred thirty billion, thirty-one million, twelve thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 45379533509 90759067018 181518134036 317656734563 363036268072 635313469126 726072536144 1270626938252 1452145072288 2541253876504 2904290144576 5082507753008 10165015506016 20330031012032