Search a number
-
+
2020022113 = 4957407509
BaseRepresentation
bin111100001100111…
…0001011101100001
312012210000202101211
41320121301131201
513114111201423
6532240030121
7101025622204
oct17031613541
95183022354
102020022113
1194728256a
12484602341
13262667875
141523cb93b
15bc51a10d
hex78671761

2020022113 has 4 divisors (see below), whose sum is σ = 2020434580. Its totient is φ = 2019609648.

The previous prime is 2020022111. The next prime is 2020022143. The reversal of 2020022113 is 3112200202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1766352784 + 253669329 = 42028^2 + 15927^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020022113 - 21 = 2020022111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020022093 and 2020022102.

It is not an unprimeable number, because it can be changed into a prime (2020022111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198798 + ... + 208711.

It is an arithmetic number, because the mean of its divisors is an integer number (505108645).

Almost surely, 22020022113 is an apocalyptic number.

It is an amenable number.

2020022113 is a deficient number, since it is larger than the sum of its proper divisors (412467).

2020022113 is an equidigital number, since it uses as much as digits as its factorization.

2020022113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412466.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2020022113 is about 44944.6561117114. The cubic root of 2020022113 is about 1264.1114775849. Note that the first 3 decimals are identical.

Adding to 2020022113 its reverse (3112200202), we get a palindrome (5132222315).

The spelling of 2020022113 in words is "two billion, twenty million, twenty-two thousand, one hundred thirteen".

Divisors: 1 4957 407509 2020022113