Search a number
-
+
20020120110103 = 54779367461147
BaseRepresentation
bin1001000110101010011000…
…01001011100010000010111
32121212220102120222222222211
410203111030021130100113
510111002201222010403
6110325041033534251
74134256145106001
oct443251411342027
977786376888884
1020020120110103
116419537973603
1222b4049874387
13b22b73823729
144d2d9c48b371
1524ab8142a06d
hex12354c25c417

20020120110103 has 8 divisors (see below), whose sum is σ = 20057016166272. Its totient is φ = 19983225136056.

The previous prime is 20020120110083. The next prime is 20020120110113. The reversal of 20020120110103 is 30101102102002.

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

It is a cyclic number.

It is not a de Polignac number, because 20020120110103 - 217 = 20020119979031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020120110113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43183176 + ... + 43644322.

It is an arithmetic number, because the mean of its divisors is an integer number (2507127020784).

Almost surely, 220020120110103 is an apocalyptic number.

20020120110103 is a deficient number, since it is larger than the sum of its proper divisors (36896056169).

20020120110103 is an equidigital number, since it uses as much as digits as its factorization.

20020120110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541061.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20020120110103 its reverse (30101102102002), we get a palindrome (50121222212105).

The spelling of 20020120110103 in words is "twenty trillion, twenty billion, one hundred twenty million, one hundred ten thousand, one hundred three".

Divisors: 1 547 79367 461147 43413749 252247409 36599853949 20020120110103