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20200212111120 = 24351931292748821
BaseRepresentation
bin1001001011111001110100…
…11101111001111100010000
32122112010021111212112220120
410211330322131321330100
510121430013300023440
6110543503242310240
74153263041624436
oct445747235717420
978463244775816
1020200212111120
116488953133488
122322b2a1b8380
13b36b4453a942
144db9a4594d56
152506c1c57dd0
hex125f3a779f10

20200212111120 has 320 divisors, whose sum is σ = 68067460546560. Its totient is φ = 4936803379200.

The previous prime is 20200212111061. The next prime is 20200212111169. The reversal of 20200212111120 is 2111121200202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20200212111120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 413736310 + ... + 413785130.

It is an arithmetic number, because the mean of its divisors is an integer number (212710814208).

Almost surely, 220200212111120 is an apocalyptic number.

20200212111120 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 20200212111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34033730273280).

20200212111120 is an abundant number, since it is smaller than the sum of its proper divisors (47867248435440).

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

20200212111120 is a wasteful number, since it uses less digits than its factorization.

20200212111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51814 (or 51808 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20200212111120 its reverse (2111121200202), we get a palindrome (22311333311322).

The spelling of 20200212111120 in words is "twenty trillion, two hundred billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty".