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20334131121 = 37399171913
BaseRepresentation
bin10010111100000000…
…100011011110110001
31221111010020212222110
4102330000203132301
5313121014143441
613201422555533
71316620156053
oct227400433661
957433225873
1020334131121
1186950a5747
123b35a38ba9
131bc0995b65
14dac8218d3
157e026cb16
hex4bc0237b1

20334131121 has 8 divisors (see below), whose sum is σ = 27148865440. Its totient is φ = 13537742112.

The previous prime is 20334131047. The next prime is 20334131143. The reversal of 20334131121 is 12113143302.

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

It is not a de Polignac number, because 20334131121 - 223 = 20325742513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20334131161) 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, 4583740 + ... + 4588173.

It is an arithmetic number, because the mean of its divisors is an integer number (3393608180).

Almost surely, 220334131121 is an apocalyptic number.

It is an amenable number.

20334131121 is a deficient number, since it is larger than the sum of its proper divisors (6814734319).

20334131121 is an equidigital number, since it uses as much as digits as its factorization.

20334131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172655.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20334131121 its reverse (12113143302), we get a palindrome (32447274423).

The spelling of 20334131121 in words is "twenty billion, three hundred thirty-four million, one hundred thirty-one thousand, one hundred twenty-one".

Divisors: 1 3 739 2217 9171913 27515739 6778043707 20334131121