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20414205215 = 54428192203
BaseRepresentation
bin10011000000110010…
…000000110100011111
31221200200221001222122
4103000302000310133
5313302014031330
613213403133155
71321611611165
oct230062006437
957620831878
1020414205215
118726317588
123b588141bb
131c04450b91
14db9307235
157e72d85e5
hex4c0c80d1f

20414205215 has 8 divisors (see below), whose sum is σ = 24497865168. Its totient is φ = 16330818240.

The previous prime is 20414205211. The next prime is 20414205221. The reversal of 20414205215 is 51250241402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20414205215 - 22 = 20414205211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414205211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175304 + ... + 267506.

It is an arithmetic number, because the mean of its divisors is an integer number (3062233146).

Almost surely, 220414205215 is an apocalyptic number.

20414205215 is a deficient number, since it is larger than the sum of its proper divisors (4083659953).

20414205215 is an equidigital number, since it uses as much as digits as its factorization.

20414205215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136489.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 20414205215 its reverse (51250241402), we get a palindrome (71664446617).

The spelling of 20414205215 in words is "twenty billion, four hundred fourteen million, two hundred five thousand, two hundred fifteen".

Divisors: 1 5 44281 92203 221405 461015 4082841043 20414205215