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20323131333 = 37985751609
BaseRepresentation
bin10010111011010110…
…100101111111000101
31221110100120001002220
4102323112211333011
5313110210200313
613200351122553
71316424523521
oct227326457705
957410501086
1020323131333
11868997240a
123b32213459
131bbb6141cb
14dab19ad81
157de2e8823
hex4bb5a5fc5

20323131333 has 8 divisors (see below), whose sum is σ = 27440515200. Its totient is φ = 13377250848.

The previous prime is 20323131319. The next prime is 20323131341. The reversal of 20323131333 is 33313132302.

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

It is not a de Polignac number, because 20323131333 - 28 = 20323131077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323131343) 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, 42875568 + ... + 42876041.

It is an arithmetic number, because the mean of its divisors is an integer number (3430064400).

Almost surely, 220323131333 is an apocalyptic number.

It is an amenable number.

20323131333 is a deficient number, since it is larger than the sum of its proper divisors (7117383867).

20323131333 is an equidigital number, since it uses as much as digits as its factorization.

20323131333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85751691.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 20323131333 its reverse (33313132302), we get a palindrome (53636263635).

The spelling of 20323131333 in words is "twenty billion, three hundred twenty-three million, one hundred thirty-one thousand, three hundred thirty-three".

Divisors: 1 3 79 237 85751609 257254827 6774377111 20323131333