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2020233031 = 83142917033
BaseRepresentation
bin111100001101010…
…0100111101000111
312012210102110201121
41320122210331013
513114134424111
6532244334411
7101030461135
oct17032447507
95183373647
102020233031
11947406a83
124846a4407
1326270c87b
14152444755
15bc55c871
hex786a4f47

2020233031 has 8 divisors (see below), whose sum is σ = 2046124080. Its totient is φ = 1994379072.

The previous prime is 2020233023. The next prime is 2020233067. The reversal of 2020233031 is 1303320202.

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 2020233031 - 23 = 2020233023 is a prime.

It is a super-2 number, since 2×20202330312 = 8162682999086893922, 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 = 2020232996 and 2020233014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020233011) by changing a digit.

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, 110091 + ... + 127123.

It is an arithmetic number, because the mean of its divisors is an integer number (255765510).

Almost surely, 22020233031 is an apocalyptic number.

2020233031 is a deficient number, since it is larger than the sum of its proper divisors (25891049).

2020233031 is a wasteful number, since it uses less digits than its factorization.

2020233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18545.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2020233031 is about 44947.0024695752. The cubic root of 2020233031 is about 1264.1554729095.

Adding to 2020233031 its reverse (1303320202), we get a palindrome (3323553233).

The spelling of 2020233031 in words is "two billion, twenty million, two hundred thirty-three thousand, thirty-one".

Divisors: 1 83 1429 17033 118607 1413739 24340157 2020233031