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20011030212000 = 2535310133474933
BaseRepresentation
bin1001000110011001011100…
…10110001110110110100000
32121212000222002202022222010
410203030232112032312200
510110330042213241000
6110320535041512520
74133514661205232
oct443145626166640
977760862668863
1020011030212000
1164156a2960623
1222b2331642740
13b220555589b9
144d2779154252
1524a7ed3e1d50
hex12332e58eda0

20011030212000 has 384 divisors, whose sum is σ = 66238410970368. Its totient is φ = 5280791040000.

The previous prime is 20011030211993. The next prime is 20011030212007. The reversal of 20011030212000 is 21203011002.

It is an interprime number because it is at equal distance from previous prime (20011030211993) and next prime (20011030212007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20011030212007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4056561534 + ... + 4056566466.

It is an arithmetic number, because the mean of its divisors is an integer number (172495861902).

Almost surely, 220011030212000 is an apocalyptic number.

20011030212000 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 20011030212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33119205485184).

20011030212000 is an abundant number, since it is smaller than the sum of its proper divisors (46227380758368).

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

20011030212000 is a wasteful number, since it uses less digits than its factorization.

20011030212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409 (or 8391 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20011030212000 its reverse (21203011002), we get a palindrome (20032233223002).

The spelling of 20011030212000 in words is "twenty trillion, eleven billion, thirty million, two hundred twelve thousand".