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13021301322020 = 2252328307176787
BaseRepresentation
bin1011110101111100001000…
…0010100011000100100100
31201002211020212200210202002
42331133002002203010210
53201320111114301040
643405523033504432
72512520662013135
oct275370202430444
951084225623662
1013021301322020
11417033714a262
121563747572118
13735b98b41984
1433033d093c8c
15178aa97a4a15
hexbd7c20a3124

13021301322020 has 24 divisors (see below), whose sum is σ = 28533634202304. Its totient is φ = 4982063114336.

The previous prime is 13021301322019. The next prime is 13021301322031. The reversal of 13021301322020 is 2022310312031.

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

It is a junction number, because it is equal to n+sod(n) for n = 13021301321983 and 13021301322001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14153587934 + ... + 14153588853.

It is an arithmetic number, because the mean of its divisors is an integer number (1188901425096).

Almost surely, 213021301322020 is an apocalyptic number.

13021301322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021301322020 is an abundant number, since it is smaller than the sum of its proper divisors (15512332880284).

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

13021301322020 is a wasteful number, since it uses less digits than its factorization.

13021301322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28307176819 (or 28307176817 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13021301322020 its reverse (2022310312031), we get a palindrome (15043611634051).

The spelling of 13021301322020 in words is "thirteen trillion, twenty-one billion, three hundred one million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 28307176787 56614353574 113228707148 141535883935 283071767870 566143535740 651065066101 1302130132202 2604260264404 3255325330505 6510650661010 13021301322020