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20341330240 = 2657111814561
BaseRepresentation
bin10010111100011100…
…000001000101000000
31221111121210122022111
4102330130001011000
5313124340031430
613202241145104
71320035311540
oct227434010500
957447718274
1020341330240
118699172530
123b3832b194
131bc23168aa
14dad777320
157e0be0c2a
hex4bc701140

20341330240 has 224 divisors, whose sum is σ = 60736935168. Its totient is φ = 6303744000.

The previous prime is 20341330223. The next prime is 20341330253. The reversal of 20341330240 is 4203314302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4457560 + ... + 4462120.

It is an arithmetic number, because the mean of its divisors is an integer number (271147032).

Almost surely, 220341330240 is an apocalyptic number.

20341330240 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 20341330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30368467584).

20341330240 is an abundant number, since it is smaller than the sum of its proper divisors (40395604928).

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

20341330240 is a wasteful number, since it uses less digits than its factorization.

20341330240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20341330240 its reverse (4203314302), we get a palindrome (24544644542).

The spelling of 20341330240 in words is "twenty billion, three hundred forty-one million, three hundred thirty thousand, two hundred forty".