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20622231330 = 2352694395821
BaseRepresentation
bin10011001101001011…
…100100011100100010
31222020012100220011120
4103031023210130202
5314213242400310
613250153553110
71330016034261
oct231513443442
958205326146
1020622231330
118822791698
123bb6415796
131c3858845c
14dd8bb85d8
1580a6cab70
hex4cd2e4722

20622231330 has 64 divisors (see below), whose sum is σ = 49799059200. Its totient is φ = 5465399040.

The previous prime is 20622231323. The next prime is 20622231341. The reversal of 20622231330 is 3313222602.

20622231330 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 20622231330.

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, 3539820 + ... + 3545640.

It is an arithmetic number, because the mean of its divisors is an integer number (778110300).

Almost surely, 220622231330 is an apocalyptic number.

20622231330 is an abundant number, since it is smaller than the sum of its proper divisors (29176827870).

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

20622231330 is a wasteful number, since it uses less digits than its factorization.

20622231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20622231330 its reverse (3313222602), we get a palindrome (23935453932).

The spelling of 20622231330 in words is "twenty billion, six hundred twenty-two million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 269 439 538 807 878 1317 1345 1614 2195 2634 2690 4035 4390 5821 6585 8070 11642 13170 17463 29105 34926 58210 87315 118091 174630 236182 354273 590455 708546 1180910 1565849 1771365 2555419 3131698 3542730 4697547 5110838 7666257 7829245 9395094 12777095 15332514 15658490 23487735 25554190 38331285 46975470 76662570 687407711 1374815422 2062223133 3437038555 4124446266 6874077110 10311115665 20622231330