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20331330011232 = 25317109120695519
BaseRepresentation
bin1001001111101110000011…
…01101000000000001100000
32122222122201100100000012020
410213313001231000001200
510131102030440324412
6111124030054101440
74165614211450002
oct447670155000140
978878640300166
1020331330011232
1165295178334a9
12234442134a880
13b4630bbbc816
145040822dc372
15253ce7cdb18c
hex127dc1b40060

20331330011232 has 192 divisors, whose sum is σ = 56598524236800. Its totient is φ = 6368375889920.

The previous prime is 20331330011171. The next prime is 20331330011297. The reversal of 20331330011232 is 23211003313302.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3683876569 + ... + 3683882087.

It is an arithmetic number, because the mean of its divisors is an integer number (294783980400).

Almost surely, 220331330011232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20331330011232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28299262118400).

20331330011232 is an abundant number, since it is smaller than the sum of its proper divisors (36267194225568).

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

20331330011232 is a wasteful number, since it uses less digits than its factorization.

20331330011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8709 (or 8701 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20331330011232 its reverse (23211003313302), we get a palindrome (43542333324534).

The spelling of 20331330011232 in words is "twenty trillion, three hundred thirty-one billion, three hundred thirty million, eleven thousand, two hundred thirty-two".