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213030212002220 = 22586222912353459
BaseRepresentation
bin110000011011111111110110…
…000111001110000110101100
31000221021111012202100022121002
4300123333312013032012230
5210410241333233032340
62033024421154055432
762604632150011304
oct6033776607160654
91027244182308532
10213030212002220
1161972672a97518
121ba86822b7a578
1391b3880209692
143a86a082bc604
151996610c7a715
hexc1bff61ce1ac

213030212002220 has 24 divisors (see below), whose sum is σ = 447364000263600. Its totient is φ = 85211979075392.

The previous prime is 213030212002217. The next prime is 213030212002229. The reversal of 213030212002220 is 22200212030312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 213030212002192 and 213030212002201.

It is not an unprimeable number, because it can be changed into a prime (213030212002229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11067851 + ... + 23421309.

It is an arithmetic number, because the mean of its divisors is an integer number (18640166677650).

Almost surely, 2213030212002220 is an apocalyptic number.

213030212002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213030212002220 is an abundant number, since it is smaller than the sum of its proper divisors (234333788261380).

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

213030212002220 is a wasteful number, since it uses less digits than its factorization.

213030212002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13215697 (or 13215695 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 213030212002220 its reverse (22200212030312), we get a palindrome (235230424032532).

The spelling of 213030212002220 in words is "two hundred thirteen trillion, thirty billion, two hundred twelve million, two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 862229 1724458 3448916 4311145 8622290 12353459 17244580 24706918 49413836 61767295 123534590 247069180 10651510600111 21303021200222 42606042400444 53257553000555 106515106001110 213030212002220