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1322103032020 = 225432338597681
BaseRepresentation
bin10011001111010011011…
…110110100100011010100
311200101120122002211001201
4103033103132310203110
5133130131334011040
62451211000202244
7164342642231101
oct23172336644324
94611518084051
101322103032020
1146a778770301
12194295769384
139789b3b2004
1447dc0ca9aa8
15245ce606a9a
hex133d37b48d4

1322103032020 has 96 divisors (see below), whose sum is σ = 2856870656640. Its totient is φ = 513660026880.

The previous prime is 1322103032011. The next prime is 1322103032077. The reversal of 1322103032020 is 202303012231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172122580 + ... + 172130260.

It is an arithmetic number, because the mean of its divisors is an integer number (29759069340).

Almost surely, 21322103032020 is an apocalyptic number.

1322103032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322103032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428435328320).

1322103032020 is an abundant number, since it is smaller than the sum of its proper divisors (1534767624620).

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

1322103032020 is a wasteful number, since it uses less digits than its factorization.

1322103032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825 (or 8823 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1322103032020 its reverse (202303012231), we get a palindrome (1524406044251).

The spelling of 1322103032020 in words is "one trillion, three hundred twenty-two billion, one hundred three million, thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 233 430 466 859 860 932 1165 1718 2330 3436 4295 4660 7681 8590 10019 15362 17180 20038 30724 36937 38405 40076 50095 73874 76810 100190 147748 153620 184685 200147 200380 330283 369370 400294 660566 738740 800588 1000735 1321132 1651415 1789673 2001470 3302830 3579346 4002940 6597979 6605660 7158692 8606321 8948365 13195958 17212642 17896730 26391916 32989895 34425284 35793460 43031605 65979790 76955939 86063210 131959580 153911878 172126420 283713097 307823756 384779695 567426194 769559390 1134852388 1418565485 1537329107 1539118780 2837130970 3074658214 5674261940 6149316428 7686645535 15373291070 30746582140 66105151601 132210303202 264420606404 330525758005 661051516010 1322103032020