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20079589320 = 23325710397669
BaseRepresentation
bin10010101100110101…
…100011011111001000
31220211101021211021100
4102230311203133020
5312110333324240
613120251141400
71310406456510
oct225465433710
956741254240
1020079589320
11857444a71a
123a84744860
131b800230cb
14d86ac2840
157c7c3ce30
hex4acd637c8

20079589320 has 192 divisors, whose sum is σ = 74662848000. Its totient is φ = 4584605184.

The previous prime is 20079589319. The next prime is 20079589331. The reversal of 20079589320 is 2398597002.

20079589320 is a `hidden beast` number, since 200 + 79 + 58 + 9 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2614446 + ... + 2622114.

It is an arithmetic number, because the mean of its divisors is an integer number (388869000).

Almost surely, 220079589320 is an apocalyptic number.

20079589320 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 20079589320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37331424000).

20079589320 is an abundant number, since it is smaller than the sum of its proper divisors (54583258680).

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

20079589320 is a wasteful number, since it uses less digits than its factorization.

20079589320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8732 (or 8725 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 20079589320 in words is "twenty billion, seventy-nine million, five hundred eighty-nine thousand, three hundred twenty".