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1030321332220 = 225791151956611
BaseRepresentation
bin11101111111000111110…
…11111101111111111100
310122111102212100200210111
432333203323331333330
5113340044230112340
62105153441515404
7134303215552345
oct16774373757774
93574385320714
101030321332220
11367a58593644
12147824642b64
137620b0ba33b
1437c214190cc
151bc036b4aea
hexefe3efdffc

1030321332220 has 48 divisors (see below), whose sum is σ = 2191292006400. Its totient is φ = 406869203520.

The previous prime is 1030321332199. The next prime is 1030321332221. The reversal of 1030321332220 is 222331230301.

It is a super-2 number, since 2×10303213322202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030321332191 and 1030321332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030321332221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18171715 + ... + 18228325.

It is an arithmetic number, because the mean of its divisors is an integer number (45651916800).

Almost surely, 21030321332220 is an apocalyptic number.

1030321332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030321332220 is an abundant number, since it is smaller than the sum of its proper divisors (1160970674180).

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

1030321332220 is a wasteful number, since it uses less digits than its factorization.

1030321332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68218 (or 68216 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1030321332220 its reverse (222331230301), we get a palindrome (1252652562521).

The spelling of 1030321332220 in words is "one trillion, thirty billion, three hundred twenty-one million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 11519 23038 46076 56611 57595 113222 115190 226444 230380 283055 566110 910001 1132220 1820002 3640004 4472269 4550005 8944538 9100010 17889076 18200020 22361345 44722690 89445380 652102109 1304204218 2608408436 3260510545 6521021090 13042042180 51516066611 103032133222 206064266444 257580333055 515160666110 1030321332220