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20021022341 = 61773424597
BaseRepresentation
bin10010101001010110…
…001000111010000101
31220200022002022110222
4102221112020322011
5312000340203331
613110355554125
71306065611345
oct225126107205
956608068428
1020021022341
118544388461
123a68bbb945
131b70b584a8
14d7cdd8d25
157c2a1eb7b
hex4a9588e85

20021022341 has 8 divisors (see below), whose sum is σ = 20375608824. Its totient is φ = 19667286720.

The previous prime is 20021022311. The next prime is 20021022397. The reversal of 20021022341 is 14322012002.

It can be written as a sum of positive squares in 4 ways, for example, as 3496948225 + 16524074116 = 59135^2 + 128546^2 .

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 20021022341 - 26 = 20021022277 is a prime.

It is a super-2 number, since 2×200210223412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021022311) 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, 165146 + ... + 259451.

It is an arithmetic number, because the mean of its divisors is an integer number (2546951103).

Almost surely, 220021022341 is an apocalyptic number.

It is an amenable number.

20021022341 is a deficient number, since it is larger than the sum of its proper divisors (354586483).

20021022341 is an equidigital number, since it uses as much as digits as its factorization.

20021022341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425431.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20021022341 its reverse (14322012002), we get a palindrome (34343034343).

The spelling of 20021022341 in words is "twenty billion, twenty-one million, twenty-two thousand, three hundred forty-one".

Divisors: 1 61 773 47153 424597 25900417 328213481 20021022341