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220331120212 = 227193891064669
BaseRepresentation
bin1100110100110011000…
…0100001011001010100
3210001201020212121021201
43031030300201121110
512102214231321322
6245115124322244
721630003422650
oct3151460413124
9701636777251
10220331120212
118549519a795
1236850543384
1317a1449c718
14a94235ba60
155ae82e9d27
hex334cc21654

220331120212 has 48 divisors (see below), whose sum is σ = 465047856000. Its totient is φ = 89227695744.

The previous prime is 220331120209. The next prime is 220331120287. The reversal of 220331120212 is 212021133022.

220331120212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 220331120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325387 + ... + 739282.

It is an arithmetic number, because the mean of its divisors is an integer number (9688497000).

Almost surely, 2220331120212 is an apocalyptic number.

It is an amenable number.

220331120212 is an abundant number, since it is smaller than the sum of its proper divisors (244716735788).

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

220331120212 is a wasteful number, since it uses less digits than its factorization.

220331120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065088 (or 1065086 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220331120212 its reverse (212021133022), we get a palindrome (432352253234).

The spelling of 220331120212 in words is "two hundred twenty billion, three hundred thirty-one million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 389 532 778 1556 2723 5446 7391 10892 14782 29564 51737 103474 206948 1064669 2129338 4258676 7452683 14905366 20228711 29810732 40457422 80914844 141600977 283201954 414156241 566403908 828312482 1656624964 2899093687 5798187374 7868968579 11596374748 15737937158 31475874316 55082780053 110165560106 220331120212