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20064307200 = 211352718661
BaseRepresentation
bin10010101011111011…
…010000100000000000
31220210022112102010220
4102223323100200000
5312042430312300
613114543423040
71310132540310
oct225373204000
956708472126
1020064307200
118566861a73
123a7b5b4a80
131b79b02232
14d84a65440
157c671eda0
hex4abed0800

20064307200 has 288 divisors, whose sum is σ = 75809522880. Its totient is φ = 4585881600.

The previous prime is 20064307187. The next prime is 20064307231. The reversal of 20064307200 is 270346002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065870 + ... + 1084530.

It is an arithmetic number, because the mean of its divisors is an integer number (263227510).

Almost surely, 220064307200 is an apocalyptic number.

20064307200 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 20064307200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37904761440).

20064307200 is an abundant number, since it is smaller than the sum of its proper divisors (55745215680).

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

20064307200 is a wasteful number, since it uses less digits than its factorization.

20064307200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18703 (or 18678 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The spelling of 20064307200 in words is "twenty billion, sixty-four million, three hundred seven thousand, two hundred".