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20330012312304 = 24319315394714327
BaseRepresentation
bin1001001111101011100110…
…01010011000001011110000
32122222112022111211222002020
410213311303022120023300
510131041331122443204
6111123251223151440
74165536441263112
oct447656312301360
978875274758066
1020330012312304
116528a00a47822
122344113ba5580
13b4615bbc8906
14503d992d13b2
15253c6c2a1bd9
hex127d732982f0

20330012312304 has 320 divisors, whose sum is σ = 58208891535360. Its totient is φ = 6088820474880.

The previous prime is 20330012312303. The next prime is 20330012312341. The reversal of 20330012312304 is 40321321003302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330012312303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1418992789 + ... + 1419007115.

It is an arithmetic number, because the mean of its divisors is an integer number (181902786048).

Almost surely, 220330012312304 is an apocalyptic number.

20330012312304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20330012312304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29104445767680).

20330012312304 is an abundant number, since it is smaller than the sum of its proper divisors (37878879223056).

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

20330012312304 is a wasteful number, since it uses less digits than its factorization.

20330012312304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15388 (or 15382 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20330012312304 its reverse (40321321003302), we get a palindrome (60651333315606).

The spelling of 20330012312304 in words is "twenty trillion, three hundred thirty billion, twelve million, three hundred twelve thousand, three hundred four".