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2020045667 = 19331321203
BaseRepresentation
bin111100001100111…
…0111001101100011
312012210001221201012
41320121313031203
513114112430132
6532240331135
7101026050653
oct17031671543
95183057635
102020045667
11947299232
12484613aab
132626754c3
141523d6363
15bc5220b2
hex78677363

2020045667 has 8 divisors (see below), whose sum is σ = 2132794560. Its totient is φ = 1907939880.

The previous prime is 2020045649. The next prime is 2020045693. The reversal of 2020045667 is 7665400202.

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 2020045667 - 214 = 2020029283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020045607) 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, 154313 + ... + 166890.

It is an arithmetic number, because the mean of its divisors is an integer number (266599320).

Almost surely, 22020045667 is an apocalyptic number.

2020045667 is a deficient number, since it is larger than the sum of its proper divisors (112748893).

2020045667 is a wasteful number, since it uses less digits than its factorization.

2020045667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321553.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2020045667 is about 44944.9181443242. The cubic root of 2020045667 is about 1264.1163908588.

Adding to 2020045667 its reverse (7665400202), we get a palindrome (9685445869).

The spelling of 2020045667 in words is "two billion, twenty million, forty-five thousand, six hundred sixty-seven".

Divisors: 1 19 331 6289 321203 6102857 106318193 2020045667