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20116035072 = 29347219521
BaseRepresentation
bin10010101111000000…
…100101011000000000
31220220220212110110000
4102233000211120000
5312144201110242
613124032240000
71311331322400
oct225700453000
956826773400
1020116035072
118592a82981
123a949a0000
131b87743c43
14d8b88c800
157cb03ba4c
hex4af025600

20116035072 has 600 divisors, whose sum is σ = 73660787640. Its totient is φ = 5434490880.

The previous prime is 20116035061. The next prime is 20116035113. The reversal of 20116035072 is 27053061102.

It is a happy number.

20116035072 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 603 + 50 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 38610172 + ... + 38610692.

Almost surely, 220116035072 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 20116035072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36830393820).

20116035072 is an abundant number, since it is smaller than the sum of its proper divisors (53544752568).

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

20116035072 is an equidigital number, since it uses as much as digits as its factorization.

20116035072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 20116035072 its reverse (27053061102), we get a palindrome (47169096174).

The spelling of 20116035072 in words is "twenty billion, one hundred sixteen million, thirty-five thousand, seventy-two".