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2020001323231 = 56914532443283
BaseRepresentation
bin11101011001010001011…
…101100001100011011111
321011002222100212100100101
4131121101131201203133
5231043430314320411
64143550434441531
7265640341642543
oct35312135414337
97132870770311
102020001323231
117097500a3a91
122875a64332a7
131186402b3388
146daa8ddba23
1537828e0a8c1
hex1d6517618df

2020001323231 has 8 divisors (see below), whose sum is σ = 2024944913520. Its totient is φ = 2015062623552.

The previous prime is 2020001323187. The next prime is 2020001323259. The reversal of 2020001323231 is 1323231000202.

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 2020001323231 - 27 = 2020001323103 is a prime.

It is a super-2 number, since 2×20200013232312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020001323199 and 2020001323208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020001323531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394885 + ... + 2048398.

It is an arithmetic number, because the mean of its divisors is an integer number (253118114190).

Almost surely, 22020001323231 is an apocalyptic number.

2020001323231 is a deficient number, since it is larger than the sum of its proper divisors (4943590289).

2020001323231 is a wasteful number, since it uses less digits than its factorization.

2020001323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2445305.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2020001323231 its reverse (1323231000202), we get a palindrome (3343232323433).

The spelling of 2020001323231 in words is "two trillion, twenty billion, one million, three hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 569 1453 826757 2443283 1390228027 3550090199 2020001323231