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2020044401 = 5713537731
BaseRepresentation
bin111100001100111…
…0110111001110001
312012210001212222022
41320121312321301
513114112410101
6532240321225
7101026044164
oct17031667161
95183055868
102020044401
11947298291
12484613215
13262674a5b
141523d5adb
15bc521a1b
hex78676e71

2020044401 has 4 divisors (see below), whose sum is σ = 2023582704. Its totient is φ = 2016506100.

The previous prime is 2020044379. The next prime is 2020044449. The reversal of 2020044401 is 1044400202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020044401 - 222 = 2015850097 is a prime.

It is a super-2 number, since 2×20200444012 = 8161158764022897602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020044401.

It is not an unprimeable number, because it can be changed into a prime (2020049401) 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, 1768295 + ... + 1769436.

It is an arithmetic number, because the mean of its divisors is an integer number (505895676).

Almost surely, 22020044401 is an apocalyptic number.

It is an amenable number.

2020044401 is a deficient number, since it is larger than the sum of its proper divisors (3538303).

2020044401 is an equidigital number, since it uses as much as digits as its factorization.

2020044401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538302.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2020044401 is about 44944.9040604160. The cubic root of 2020044401 is about 1264.1161267771.

Adding to 2020044401 its reverse (1044400202), we get a palindrome (3064444603).

The spelling of 2020044401 in words is "two billion, twenty million, forty-four thousand, four hundred one".

Divisors: 1 571 3537731 2020044401