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20334314320 = 245254178929
BaseRepresentation
bin10010111100000001…
…010000001101010000
31221111010121012021121
4102330001100031100
5313121041024240
613201430532024
71316621551135
oct227401201520
957433535247
1020334314320
118695210351
123b35b07014
131bc0a2b368
14dac86c58c
157e02a704a
hex4bc050350

20334314320 has 20 divisors (see below), whose sum is σ = 47277280980. Its totient is φ = 8133725696.

The previous prime is 20334314243. The next prime is 20334314321. The reversal of 20334314320 is 2341343302.

It can be written as a sum of positive squares in 2 ways, for example, as 6460301376 + 13874012944 = 80376^2 + 117788^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334314321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127089385 + ... + 127089544.

It is an arithmetic number, because the mean of its divisors is an integer number (2363864049).

Almost surely, 220334314320 is an apocalyptic number.

20334314320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20334314320 is an abundant number, since it is smaller than the sum of its proper divisors (26942966660).

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

20334314320 is a wasteful number, since it uses less digits than its factorization.

20334314320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254178942 (or 254178936 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20334314320 its reverse (2341343302), we get a palindrome (22675657622).

The spelling of 20334314320 in words is "twenty billion, three hundred thirty-four million, three hundred fourteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 254178929 508357858 1016715716 1270894645 2033431432 2541789290 4066862864 5083578580 10167157160 20334314320