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2020320030 = 23567344001
BaseRepresentation
bin111100001101011…
…1010001100011110
312012210120220001210
41320122322030132
513114200220110
6532250245250
7101031302601
oct17032721436
95183526053
102020320030
11947466383
12484726826
13262740351
14152468338
15bc578520
hex786ba31e

2020320030 has 16 divisors (see below), whose sum is σ = 4848768144. Its totient is φ = 538752000.

The previous prime is 2020320019. The next prime is 2020320047. The reversal of 2020320030 is 300230202.

It is a junction number, because it is equal to n+sod(n) for n = 2020319988 and 2020320015.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33671971 + ... + 33672030.

It is an arithmetic number, because the mean of its divisors is an integer number (303048009).

Almost surely, 22020320030 is an apocalyptic number.

2020320030 is an abundant number, since it is smaller than the sum of its proper divisors (2828448114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020320030 is a wasteful number, since it uses less digits than its factorization.

2020320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67344011.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 2020320030 is about 44947.9702545065. The cubic root of 2020320030 is about 1264.1736191137.

Adding to 2020320030 its reverse (300230202), we get a palindrome (2320550232).

The spelling of 2020320030 in words is "two billion, twenty million, three hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 67344001 134688002 202032003 336720005 404064006 673440010 1010160015 2020320030