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20331322230000 = 243546611025281
BaseRepresentation
bin1001001111101110000010…
…01111010100010011110000
32122222122200210200200100110
410213313001033110103300
510131102021442330000
6111124025215221320
74165614055351125
oct447670117242360
978878623620313
1020331322230000
1165295133a9331
12234441a817840
13b4630a3c6b42
1450408127474c
15253ce72a0850
hex127dc13d44f0

20331322230000 has 200 divisors, whose sum is σ = 65731575425296. Its totient is φ = 5413478400000.

The previous prime is 20331322229957. The next prime is 20331322230061. The reversal of 20331322230000 is 3222313302.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19317360 + ... + 20342640.

Almost surely, 220331322230000 is an apocalyptic number.

20331322230000 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 20331322230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32865787712648).

20331322230000 is an abundant number, since it is smaller than the sum of its proper divisors (45400253195296).

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

20331322230000 is a wasteful number, since it uses less digits than its factorization.

20331322230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025973 (or 1025952 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20331322230000 its reverse (3222313302), we get a palindrome (20334544543302).

The spelling of 20331322230000 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-two million, two hundred thirty thousand".