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20321410201 = 20929970969
BaseRepresentation
bin10010111011010000…
…000001110010011001
31221110020022121011021
4102323100001302121
5313104240111301
613200250202441
71316404064611
oct227320016231
957406277137
1020321410201
1186889a7294
123b31723421
131bbb1609a1
14daac6da41
157de0a88a1
hex4bb401c99

20321410201 has 4 divisors (see below), whose sum is σ = 20322402100. Its totient is φ = 20320418304.

The previous prime is 20321410189. The next prime is 20321410229. The reversal of 20321410201 is 10201412302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7388262025 + 12933148176 = 85955^2 + 113724^2 .

It is a cyclic number.

It is not a de Polignac number, because 20321410201 - 25 = 20321410169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20321410301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464556 + ... + 506413.

It is an arithmetic number, because the mean of its divisors is an integer number (5080600525).

Almost surely, 220321410201 is an apocalyptic number.

It is an amenable number.

20321410201 is a deficient number, since it is larger than the sum of its proper divisors (991899).

20321410201 is an equidigital number, since it uses as much as digits as its factorization.

20321410201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991898.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20321410201 its reverse (10201412302), we get a palindrome (30522822503).

The spelling of 20321410201 in words is "twenty billion, three hundred twenty-one million, four hundred ten thousand, two hundred one".

Divisors: 1 20929 970969 20321410201