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2020022002 = 22591338977
BaseRepresentation
bin111100001100111…
…0001011011110010
312012210000202020201
41320121301123302
513114111201002
6532240025414
7101025621655
oct17031613362
95183022221
102020022002
11947282479
1248460226a
132626677bb
141523cb89c
15bc51a087
hex786716f2

2020022002 has 8 divisors (see below), whose sum is σ = 3030227676. Its totient is φ = 1009946112.

The previous prime is 2020021987. The next prime is 2020022003. The reversal of 2020022002 is 2002200202.

It can be written as a sum of positive squares in 2 ways, for example, as 1932393681 + 87628321 = 43959^2 + 9361^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2020022002.

It is not an unprimeable number, because it can be changed into a prime (2020022003) 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, 32338 + ... + 71314.

Almost surely, 22020022002 is an apocalyptic number.

2020022002 is a deficient number, since it is larger than the sum of its proper divisors (1010205674).

2020022002 is a wasteful number, since it uses less digits than its factorization.

2020022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64892.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2020022002 is about 44944.6548768594. The cubic root of 2020022002 is about 1264.1114544306. Note that the first 3 decimals are identical.

Adding to 2020022002 its reverse (2002200202), we get a palindrome (4022222204).

The spelling of 2020022002 in words is "two billion, twenty million, twenty-two thousand, two".

Divisors: 1 2 25913 38977 51826 77954 1010011001 2020022002