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20200002212 = 2213388461581
BaseRepresentation
bin10010110100000000…
…111001001010100100
31221010202212102201002
4102310000321022210
5312332200032322
613140232052432
71313401120505
oct226400711244
957122772632
1020200002212
118626413705
123ab8b34118
131b9bc62c40
14d98aa8bac
157d35c5c92
hex4b40392a4

20200002212 has 12 divisors (see below), whose sum is σ = 38069235036. Its totient is φ = 9323077920.

The previous prime is 20200002167. The next prime is 20200002217. The reversal of 20200002212 is 21220000202.

It can be written as a sum of positive squares in 2 ways, for example, as 13861294756 + 6338707456 = 117734^2 + 79616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20200002193 and 20200002202.

It is not an unprimeable number, because it can be changed into a prime (20200002217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194230739 + ... + 194230842.

It is an arithmetic number, because the mean of its divisors is an integer number (3172436253).

Almost surely, 220200002212 is an apocalyptic number.

It is an amenable number.

20200002212 is a deficient number, since it is larger than the sum of its proper divisors (17869232824).

20200002212 is a wasteful number, since it uses less digits than its factorization.

20200002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388461598 (or 388461596 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20200002212 its reverse (21220000202), we get a palindrome (41420002414).

The spelling of 20200002212 in words is "twenty billion, two hundred million, two thousand, two hundred twelve".

Divisors: 1 2 4 13 26 52 388461581 776923162 1553846324 5050000553 10100001106 20200002212