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20334001321 = 829101924071
BaseRepresentation
bin10010111100000000…
…000011110010101001
31221111010000021221001
4102330000003302221
5313121001020241
613201420115001
71316616105454
oct227400036251
957433007831
1020334001321
118695017177
123b35995a61
131bc094ba5a
14dac7ca49b
157e0244431
hex4bc003ca9

20334001321 has 8 divisors (see below), whose sum is σ = 20379355200. Its totient is φ = 20288699280.

The previous prime is 20334001309. The next prime is 20334001349. The reversal of 20334001321 is 12310043302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20334001321 - 29 = 20334000809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20334001301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832716 + ... + 856786.

It is an arithmetic number, because the mean of its divisors is an integer number (2547419400).

Almost surely, 220334001321 is an apocalyptic number.

It is an amenable number.

20334001321 is a deficient number, since it is larger than the sum of its proper divisors (45353879).

20334001321 is a wasteful number, since it uses less digits than its factorization.

20334001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25919.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20334001321 its reverse (12310043302), we get a palindrome (32644044623).

The spelling of 20334001321 in words is "twenty billion, three hundred thirty-four million, one thousand, three hundred twenty-one".

Divisors: 1 829 1019 24071 844751 19954859 24528349 20334001321