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20020102001120 = 2551323443944651
BaseRepresentation
bin1001000110101010010110…
…00100010111000111100000
32121212220101022220222010202
410203111023010113013200
510111002132103013440
6110325035145444332
74134255535144064
oct443251304270740
977786338828122
1020020102001120
116419528725001
1222b40437a06a8
13b22b6cb52c60
144d2d99cd5aa4
1524ab7ea4e615
hex12354b1171e0

20020102001120 has 192 divisors, whose sum is σ = 53270392379904. Its totient is φ = 7054676428800.

The previous prime is 20020102001093. The next prime is 20020102001173. The reversal of 20020102001120 is 2110020102002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20720795 + ... + 21665445.

It is an arithmetic number, because the mean of its divisors is an integer number (277449960312).

Almost surely, 220020102001120 is an apocalyptic number.

20020102001120 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 20020102001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26635196189952).

20020102001120 is an abundant number, since it is smaller than the sum of its proper divisors (33250290378784).

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

20020102001120 is a wasteful number, since it uses less digits than its factorization.

20020102001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945145 (or 945137 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20020102001120 its reverse (2110020102002), we get a palindrome (22130122103122).

The spelling of 20020102001120 in words is "twenty trillion, twenty billion, one hundred two million, one thousand, one hundred twenty".