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20120201001120 = 25351117224155537
BaseRepresentation
bin1001001001100100110010…
…11011101111100010100000
32122020110202101212000212010
410210302121123233202200
510114122132424013440
6110443032010432520
74144431223461243
oct444623133574240
978213671760763
1020120201001120
116457a24a29290
12230b51a732740
13b2c433015c7c
144d7b7416725a
1524d58c7e2580
hex124c996ef8a0

20120201001120 has 192 divisors, whose sum is σ = 73207405466496. Its totient is φ = 4590705377280.

The previous prime is 20120201001119. The next prime is 20120201001169. The reversal of 20120201001120 is 2110010202102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20120201001096 and 20120201001105.

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, 111988009 + ... + 112167528.

It is an arithmetic number, because the mean of its divisors is an integer number (381288570138).

Almost surely, 220120201001120 is an apocalyptic number.

20120201001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120201001120 is an abundant number, since it is smaller than the sum of its proper divisors (53087204465376).

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

20120201001120 is a wasteful number, since it uses less digits than its factorization.

20120201001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224155583 (or 224155575 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20120201001120 its reverse (2110010202102), we get a palindrome (22230211203222).

The spelling of 20120201001120 in words is "twenty trillion, one hundred twenty billion, two hundred one million, one thousand, one hundred twenty".