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20330403342 = 2330431111347
BaseRepresentation
bin10010111011110010…
…010101011000001110
31221110212020111102120
4102323302111120032
5313114040401332
613201211033410
71316543401644
oct227362253016
957425214376
1020330403342
118692a89a37
123b3473b866
131bbcc8c182
14dac131194
157dec8332c
hex4bbc9560e

20330403342 has 16 divisors (see below), whose sum is σ = 40662508032. Its totient is φ = 6776517560.

The previous prime is 20330403341. The next prime is 20330403367. The reversal of 20330403342 is 24330403302.

It is a super-3 number, since 3×203304033423 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330403341) 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, 126913 + ... + 238259.

It is an arithmetic number, because the mean of its divisors is an integer number (2541406752).

Almost surely, 220330403342 is an apocalyptic number.

20330403342 is an abundant number, since it is smaller than the sum of its proper divisors (20332104690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20330403342 is a wasteful number, since it uses less digits than its factorization.

20330403342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141783.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20330403342 its reverse (24330403302), we get a palindrome (44660806644).

The spelling of 20330403342 in words is "twenty billion, three hundred thirty million, four hundred three thousand, three hundred forty-two".

Divisors: 1 2 3 6 30431 60862 91293 111347 182586 222694 334041 668082 3388400557 6776801114 10165201671 20330403342