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2020011107 = 15113377557
BaseRepresentation
bin111100001100110…
…1110110001100011
312012210000012022012
41320121232301203
513114110323412
6532235503135
7101025545132
oct17031566143
95183005265
102020011107
11947275274
124845b7aab
1326266285a
141523c7919
15bc516c22
hex7866ec63

2020011107 has 4 divisors (see below), whose sum is σ = 2033388816. Its totient is φ = 2006633400.

The previous prime is 2020011079. The next prime is 2020011121. The reversal of 2020011107 is 7011100202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020011107 - 28 = 2020010851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020011091 and 2020011100.

It is not an unprimeable number, because it can be changed into a prime (2020011137) 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 3 ways as a sum of consecutive naturals, for example, 6688628 + ... + 6688929.

It is an arithmetic number, because the mean of its divisors is an integer number (508347204).

Almost surely, 22020011107 is an apocalyptic number.

2020011107 is a deficient number, since it is larger than the sum of its proper divisors (13377709).

2020011107 is a wasteful number, since it uses less digits than its factorization.

2020011107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13377708.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 2020011107 is about 44944.5336720718. The cubic root of 2020011107 is about 1264.1091817625.

Adding to 2020011107 its reverse (7011100202), we get a palindrome (9031111309).

The spelling of 2020011107 in words is "two billion, twenty million, eleven thousand, one hundred seven".

Divisors: 1 151 13377557 2020011107