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20003030212 = 22111783322193
BaseRepresentation
bin10010101000010001…
…100000010011000100
31220122001020012220211
4102220101200103010
5311431233431322
613104514205204
71305456644224
oct225021402304
956561205824
1020003030212
118535209730
123a62b83804
131b6a1c8c69
14d7a874084
157c1168b77
hex4a84604c4

20003030212 has 48 divisors (see below), whose sum is σ = 40921215552. Its totient is φ = 8454318080.

The previous prime is 20003030167. The next prime is 20003030213. The reversal of 20003030212 is 21203030002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20003030192 and 20003030201.

It is not an unprimeable number, because it can be changed into a prime (20003030213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99013 + ... + 223180.

It is an arithmetic number, because the mean of its divisors is an integer number (852525324).

Almost surely, 220003030212 is an apocalyptic number.

20003030212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20003030212 is an abundant number, since it is smaller than the sum of its proper divisors (20918185340).

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

20003030212 is a wasteful number, since it uses less digits than its factorization.

20003030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322308 (or 322306 counting only the distinct ones).

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

Adding to 20003030212 its reverse (21203030002), we get a palindrome (41206060214).

The spelling of 20003030212 in words is "twenty billion, three million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 11 17 22 34 44 68 83 166 187 332 374 748 913 1411 1826 2822 3652 5644 15521 31042 62084 322193 644386 1288772 3544123 5477281 7088246 10954562 14176492 21909124 26742019 53484038 60250091 106968076 120500182 241000364 294162209 454614323 588324418 909228646 1176648836 1818457292 5000757553 10001515106 20003030212