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20331000022 = 2435310741687
BaseRepresentation
bin10010111011110100…
…100111000011010110
31221110220100210220211
4102323310213003112
5313114214000042
613201231520034
71316551435354
oct227364470326
957426323824
1020331000022
118693357263
123b3498901a
131bc013a938
14dac2487d4
157ded50017
hex4bbd270d6

20331000022 has 32 divisors (see below), whose sum is σ = 32092422912. Its totient is φ = 9650475744.

The previous prime is 20331000007. The next prime is 20331000031. The reversal of 20331000022 is 22000013302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20330999966 and 20331000011.

It is a congruent number.

It is an unprimeable number.

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, 466863 + ... + 508549.

It is an arithmetic number, because the mean of its divisors is an integer number (1002888216).

Almost surely, 220331000022 is an apocalyptic number.

20331000022 is a deficient number, since it is larger than the sum of its proper divisors (11761422890).

20331000022 is a wasteful number, since it uses less digits than its factorization.

20331000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41892.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20331000022 its reverse (22000013302), we get a palindrome (42331013324).

The spelling of 20331000022 in words is "twenty billion, three hundred thirty-one million, twenty-two", and thus it is an aban number.

Divisors: 1 2 43 53 86 106 107 214 2279 4558 4601 5671 9202 11342 41687 83374 243853 487706 1792541 2209411 3585082 4418822 4460509 8921018 95004673 190009346 191801887 236406977 383603774 472813954 10165500011 20331000022