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20201103013420 = 22571773213754409
BaseRepresentation
bin1001001011111011011111…
…00100011011011000101100
32122112012120121021002010001
410211331233210123120230
510121433324332412140
6110544131505354044
74153324110312310
oct445755744333054
978465517232101
1020201103013420
11648927001157a
122323138638924
13b36c56c9a374
144dba4aa23b40
15250725088e9a
hex125f6f91b62c

20201103013420 has 192 divisors, whose sum is σ = 52063088636160. Its totient is φ = 6426251624448.

The previous prime is 20201103013417. The next prime is 20201103013423. The reversal of 20201103013420 is 2431030110202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20201103013417) and next prime (20201103013423).

It is not an unprimeable number, because it can be changed into a prime (20201103013423) 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, 371255176 + ... + 371309584.

It is an arithmetic number, because the mean of its divisors is an integer number (271161919980).

Almost surely, 220201103013420 is an apocalyptic number.

20201103013420 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 20201103013420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26031544318080).

20201103013420 is an abundant number, since it is smaller than the sum of its proper divisors (31861985622740).

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

20201103013420 is a wasteful number, since it uses less digits than its factorization.

20201103013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56652 (or 56650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20201103013420 its reverse (2431030110202), we get a palindrome (22632133123622).

The spelling of 20201103013420 in words is "twenty trillion, two hundred one billion, one hundred three million, thirteen thousand, four hundred twenty".