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20332133121 = 313953939041
BaseRepresentation
bin10010111011111000…
…111011101100000001
31221110222111101020110
4102323320323230001
5313120011224441
613201312101533
71316564165016
oct227370735401
957428441213
1020332133121
118693a60603
123b352348a9
131bc0446601
14dac46170d
157deec5b16
hex4bbe3bb01

20332133121 has 16 divisors (see below), whose sum is σ = 27312626880. Its totient is φ = 13453255680.

The previous prime is 20332133099. The next prime is 20332133141. The reversal of 20332133121 is 12133123302.

It is not a de Polignac number, because 20332133121 - 27 = 20332132993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20332133141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2244361 + ... + 2253401.

It is an arithmetic number, because the mean of its divisors is an integer number (1707039180).

Almost surely, 220332133121 is an apocalyptic number.

It is an amenable number.

20332133121 is a deficient number, since it is larger than the sum of its proper divisors (6980493759).

20332133121 is a wasteful number, since it uses less digits than its factorization.

20332133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14576.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20332133121 its reverse (12133123302), we get a palindrome (32465256423).

The spelling of 20332133121 in words is "twenty billion, three hundred thirty-two million, one hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 3 139 417 5393 9041 16179 27123 749627 1256699 2248881 3770097 48758113 146274339 6777377707 20332133121