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20104320000 = 21035437283
BaseRepresentation
bin10010101110010011…
…111001010000000000
31220220002211021101110
4102232103321100000
5312133201220000
613122533203320
71311126620562
oct225623712000
956802737343
1020104320000
1185874011a6
123a90a90540
131b851a184b
14d8a0bd332
157c9ec5850
hex4ae4f9400

20104320000 has 440 divisors, whose sum is σ = 69012983776. Its totient is φ = 5197824000.

The previous prime is 20104319999. The next prime is 20104320011. The reversal of 20104320000 is 2340102.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 71039859 + ... + 71040141.

Almost surely, 220104320000 is an apocalyptic number.

20104320000 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 20104320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34506491888).

20104320000 is an abundant number, since it is smaller than the sum of its proper divisors (48908663776).

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

20104320000 is an equidigital number, since it uses as much as digits as its factorization.

20104320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20104320000 its reverse (2340102), we get a palindrome (20106660102).

The spelling of 20104320000 in words is "twenty billion, one hundred four million, three hundred twenty thousand".