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20321303310200 = 2352172159039231
BaseRepresentation
bin1001001111011011011000…
…00100001010111101111000
32122221200211120022211010202
410213231230010022331320
510130421012121411300
6111115251115101332
74165110561056324
oct447555404127570
978850746284122
1020321303310200
116525241a41622
1223424a3441848
13b453a1813b29
145037b07c8984
1525390c906ad5
hex127b6c10af78

20321303310200 has 48 divisors (see below), whose sum is σ = 47274484239360. Its totient is φ = 8123798048000.

The previous prime is 20321303310181. The next prime is 20321303310211. The reversal of 20321303310200 is 201330312302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29175416 + ... + 29863815.

It is an arithmetic number, because the mean of its divisors is an integer number (984885088320).

Almost surely, 220321303310200 is an apocalyptic number.

20321303310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20321303310200 is an abundant number, since it is smaller than the sum of its proper divisors (26953180929160).

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

20321303310200 is a wasteful number, since it uses less digits than its factorization.

20321303310200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59040968 (or 59040959 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20321303310200 its reverse (201330312302), we get a palindrome (20522633622502).

The spelling of 20321303310200 in words is "twenty trillion, three hundred twenty-one billion, three hundred three million, three hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1721 3442 6884 8605 13768 17210 34420 43025 68840 86050 172100 344200 59039231 118078462 236156924 295196155 472313848 590392310 1180784620 1475980775 2361569240 2951961550 5903923100 11807846200 101606516551 203213033102 406426066204 508032582755 812852132408 1016065165510 2032130331020 2540162913775 4064260662040 5080325827550 10160651655100 20321303310200