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20020102112001 = 37391415991379
BaseRepresentation
bin1001000110101010010110…
…00100110010001100000001
32121212220101100010121020110
410203111023010302030001
510111002132120041001
6110325035152101533
74134255536115255
oct443251304621401
977786340117213
1020020102112001
1164195287a0342
1222b40438348a9
13b22b6cb91574
144d2d99d24265
1524ab7ea723d6
hex12354b132301

20020102112001 has 8 divisors (see below), whose sum is σ = 27059133448480. Its totient is φ = 13163902758432.

The previous prime is 20020102111969. The next prime is 20020102112033. The reversal of 20020102112001 is 10021120102002.

It is an interprime number because it is at equal distance from previous prime (20020102111969) and next prime (20020102112033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20020102112001 - 25 = 20020102111969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020102112051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45707995471 + ... + 45707995908.

It is an arithmetic number, because the mean of its divisors is an integer number (3382391681060).

Almost surely, 220020102112001 is an apocalyptic number.

It is an amenable number.

20020102112001 is a deficient number, since it is larger than the sum of its proper divisors (7039031336479).

20020102112001 is an equidigital number, since it uses as much as digits as its factorization.

20020102112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91415991455.

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

Adding to 20020102112001 its reverse (10021120102002), we get a palindrome (30041222214003).

The spelling of 20020102112001 in words is "twenty trillion, twenty billion, one hundred two million, one hundred twelve thousand, one".

Divisors: 1 3 73 219 91415991379 274247974137 6673367370667 20020102112001