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20330212133000 = 23537114313744819
BaseRepresentation
bin1001001111101011111110…
…00100101000100010001000
32122222112211102211220112202
410213311333010220202020
510131042233301224000
6111123323122055332
74165544415602540
oct447657704504210
978875742756482
1020330212133000
116528aa3817aa0
12234416aaaa548
13b4619141c403
14503db7a68320
15253c7eac2dd5
hex127d7f128888

20330212133000 has 512 divisors, whose sum is σ = 61135111065600. Its totient is φ = 6144009984000.

The previous prime is 20330212132969. The next prime is 20330212133009. The reversal of 20330212133000 is 33121203302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (20330212133009) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 453584591 + ... + 453629409.

It is an arithmetic number, because the mean of its divisors is an integer number (119404513800).

Almost surely, 220330212133000 is an apocalyptic number.

20330212133000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330212133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30567555532800).

20330212133000 is an abundant number, since it is smaller than the sum of its proper divisors (40804898932600).

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

20330212133000 is a wasteful number, since it uses less digits than its factorization.

20330212133000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45038 (or 45024 counting only the distinct ones).

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

Adding to 20330212133000 its reverse (33121203302), we get a palindrome (20363333336302).

The spelling of 20330212133000 in words is "twenty trillion, three hundred thirty billion, two hundred twelve million, one hundred thirty-three thousand".