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2020013023 = 7318790547
BaseRepresentation
bin111100001100110…
…1111001111011111
312012210000021221011
41320121233033133
513114110404043
6532235520051
7101025553540
oct17031571737
95183007834
102020013023
11947276756
124845b9027
132626636a2
141523c84c7
15bc51759d
hex7866f3df

2020013023 has 8 divisors (see below), whose sum is σ = 2309336192. Its totient is φ = 1730877336.

The previous prime is 2020013011. The next prime is 2020013071. The reversal of 2020013023 is 3203100202.

Adding to 2020013023 its reverse (3203100202), we get a palindrome (5223113225).

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2020013023 is a prime.

It is a super-2 number, since 2×20200130232 = 8160905226179197058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020012994 and 2020013012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020013123) 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, 22965 + ... + 67582.

It is an arithmetic number, because the mean of its divisors is an integer number (288667024).

Almost surely, 22020013023 is an apocalyptic number.

2020013023 is a deficient number, since it is larger than the sum of its proper divisors (289323169).

2020013023 is an equidigital number, since it uses as much as digits as its factorization.

2020013023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93741.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2020013023 is about 44944.5549872284. The cubic root of 2020013023 is about 1264.1095814356.

The spelling of 2020013023 in words is "two billion, twenty million, thirteen thousand, twenty-three".

Divisors: 1 7 3187 22309 90547 633829 288573289 2020013023