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20120331330000 = 2432541129471951
BaseRepresentation
bin1001001001100101000010…
…01100111010000111010000
32122020111002111002102110200
410210302201030322013100
510114122414310030000
6110443052544055200
74144434365321646
oct444624114720720
978214074072420
1020120331330000
116457a91555300
12230b556304500
13b2c454018355
144d7b875b1196
1524d598e88500
hex124ca133a1d0

20120331330000 has 900 divisors, whose sum is σ = 77463278116224. Its totient is φ = 4870008000000.

The previous prime is 20120331329921. The next prime is 20120331330041. The reversal of 20120331330000 is 3313302102.

20120331330000 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 0 + 331 + 330 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (900).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 10312829025 + ... + 10312830975.

Almost surely, 220120331330000 is an apocalyptic number.

20120331330000 is a gapful number since it is divisible by the number (20) 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 20120331330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38731639058112).

20120331330000 is an abundant number, since it is smaller than the sum of its proper divisors (57342946786224).

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

20120331330000 is a wasteful number, since it uses less digits than its factorization.

20120331330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20120331330000 its reverse (3313302102), we get a palindrome (20123644632102).

The spelling of 20120331330000 in words is "twenty trillion, one hundred twenty billion, three hundred thirty-one million, three hundred thirty thousand".