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20204430115 = 54530789189
BaseRepresentation
bin10010110100010001…
…110010001100100011
31221011002012101122111
4102310101302030203
5312334313230430
613140511020151
71313453552032
oct226421621443
957132171574
1020204430115
118628968431
123aba50a657
131b9cb534bc
14d994dc719
157d3b9cc2a
hex4b4472323

20204430115 has 8 divisors (see below), whose sum is σ = 24246123120. Its totient is φ = 16163006112.

The previous prime is 20204430091. The next prime is 20204430133. The reversal of 20204430115 is 51103440202.

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

It is a cyclic number.

It is not a de Polignac number, because 20204430115 - 215 = 20204397347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181941 + ... + 271129.

It is an arithmetic number, because the mean of its divisors is an integer number (3030765390).

Almost surely, 220204430115 is an apocalyptic number.

20204430115 is a deficient number, since it is larger than the sum of its proper divisors (4041693005).

20204430115 is an equidigital number, since it uses as much as digits as its factorization.

20204430115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134501.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20204430115 its reverse (51103440202), we get a palindrome (71307870317).

The spelling of 20204430115 in words is "twenty billion, two hundred four million, four hundred thirty thousand, one hundred fifteen".

Divisors: 1 5 45307 89189 226535 445945 4040886023 20204430115