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20355141032324 = 2272732276267139
BaseRepresentation
bin1001010000011010011001…
…11100110101100110000100
32200001221011202222012120022
410220031030330311212010
510131444312101013244
6111143004522554312
74200416241004400
oct450151474654604
980057152865508
1020355141032324
11653862650102a
122348b67668998
13b48634cc0107
145052a07c4100
1525473d3ed6ee
hex12834cf35984

20355141032324 has 72 divisors (see below), whose sum is σ = 42189935245920. Its totient is φ = 8566225041024.

The previous prime is 20355141032299. The next prime is 20355141032329. The reversal of 20355141032324 is 42323014155302.

It is not an unprimeable number, because it can be changed into a prime (20355141032329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114347 + ... + 6381485.

It is an arithmetic number, because the mean of its divisors is an integer number (585971322860).

Almost surely, 220355141032324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20355141032324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21094967622960).

20355141032324 is an abundant number, since it is smaller than the sum of its proper divisors (21834794213596).

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

20355141032324 is a wasteful number, since it uses less digits than its factorization.

20355141032324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267457 (or 6267448 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 20355141032324 its reverse (42323014155302), we get a palindrome (62678155187626).

The spelling of 20355141032324 in words is "twenty trillion, three hundred fifty-five billion, one hundred forty-one million, thirty-two thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 73 98 146 196 227 292 454 511 908 1022 1589 2044 3178 3577 6356 7154 11123 14308 16571 22246 33142 44492 66284 115997 231994 463988 811979 1623958 3247916 6267139 12534278 25068556 43869973 87739946 175479892 307089811 457501147 614179622 915002294 1228359244 1422640553 1830004588 2845281106 3202508029 5690562212 6405016058 9958483871 12810032116 19916967742 22417556203 39833935484 44835112406 69709387097 89670224812 103852760369 139418774194 207705520738 278837548388 415411041476 726969322583 1453938645166 2907877290332 5088785258081 10177570516162 20355141032324