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20330223121120 = 2551137714397131
BaseRepresentation
bin1001001111101011111111…
…01110100011001011100000
32122222112212012112011102011
410213311333232203023200
510131042244104333440
6111123324153402304
74165544611156063
oct447657756431340
978875765464364
1020330223121120
116528aa9a42590
122344172709394
13b46193798963
14503db92c88da
15253c80a439ea
hex127d7fba32e0

20330223121120 has 192 divisors, whose sum is σ = 54570589097472. Its totient is φ = 7091691264000.

The previous prime is 20330223121093. The next prime is 20330223121151. The reversal of 20330223121120 is 2112132203302.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20330223121091 and 20330223121100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2424955 + ... + 6822085.

It is an arithmetic number, because the mean of its divisors is an integer number (284221818216).

Almost surely, 220330223121120 is an apocalyptic number.

20330223121120 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 20330223121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27285294548736).

20330223121120 is an abundant number, since it is smaller than the sum of its proper divisors (34240365976352).

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

20330223121120 is a wasteful number, since it uses less digits than its factorization.

20330223121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4397265 (or 4397257 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20330223121120 its reverse (2112132203302), we get a palindrome (22442355324422).

The spelling of 20330223121120 in words is "twenty trillion, three hundred thirty billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred twenty".