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2020020223 = 13179140363
BaseRepresentation
bin111100001100111…
…0000111111111111
312012210000122210211
41320121300333333
513114111121343
6532240013251
7101025613534
oct17031607777
95183018724
102020020223
11947281101
12484601227
13262666a50
141523cad8b
15bc51979d
hex78670fff

2020020223 has 8 divisors (see below), whose sum is σ = 2303371728. Its totient is φ = 1754949504.

The previous prime is 2020020203. The next prime is 2020020227. The reversal of 2020020223 is 3220200202.

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 2020020223 - 29 = 2020019711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020020227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4569961 + ... + 4570402.

It is an arithmetic number, because the mean of its divisors is an integer number (287921466).

Almost surely, 22020020223 is an apocalyptic number.

2020020223 is a deficient number, since it is larger than the sum of its proper divisors (283351505).

2020020223 is a wasteful number, since it uses less digits than its factorization.

2020020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140393.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2020020223 is about 44944.6350858476. The cubic root of 2020020223 is about 1264.1110833365. Note that the first 3 decimals are identical.

Adding to 2020020223 its reverse (3220200202), we get a palindrome (5240220425).

The spelling of 2020020223 in words is "two billion, twenty million, twenty thousand, two hundred twenty-three".

Divisors: 1 13 17 221 9140363 118824719 155386171 2020020223