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331201022210220 = 223513939712352783
BaseRepresentation
bin100101101001110011011111…
…1010001110011000010101100
31121102200111201200211010010110
41023103212333101303002230
5321402344143141211340
63132223352113340020
7126522325040416131
oct11323467721630254
91542614650733113
10331201022210220
11965926237102a8
1231190b88267610
13112a6178b44386
145bb0301d9a588
152845472e40680
hex12d39bf4730ac

331201022210220 has 48 divisors (see below), whose sum is σ = 934034537479680. Its totient is φ = 87684874942656.

The previous prime is 331201022210209. The next prime is 331201022210239. The reversal of 331201022210220 is 22012220102133.

It is a super-2 number, since 2×3312010222102202 (a number of 30 digits) contains 22 as substring.

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, 19856168052 + ... + 19856184731.

It is an arithmetic number, because the mean of its divisors is an integer number (19459052864160).

Almost surely, 2331201022210220 is an apocalyptic number.

331201022210220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331201022210220 is an abundant number, since it is smaller than the sum of its proper divisors (602833515269460).

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

331201022210220 is a wasteful number, since it uses less digits than its factorization.

331201022210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39712352934 (or 39712352932 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 331201022210220 its reverse (22012220102133), we get a palindrome (353213242312353).

The spelling of 331201022210220 in words is "three hundred thirty-one trillion, two hundred one billion, twenty-two million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 39712352783 79424705566 119137058349 158849411132 198561763915 238274116698 397123527830 476548233396 595685291745 794247055660 1191370583490 2382741166980 5520017036837 11040034073674 16560051110511 22080068147348 27600085184185 33120102221022 55200170368370 66240204442044 82800255552555 110400340736740 165600511105110 331201022210220