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20555034 = 2311173067
BaseRepresentation
bin100111001101…
…0010100011010
31102200022012120
41032122110122
520230230114
62012322110
7336500133
oct116322432
942608176
1020555034
111066a335
126a73336
134348c56
142a30c8a
151c105a9
hex139a51a

20555034 has 16 divisors (see below), whose sum is σ = 41160288. Its totient is φ = 6843312.

The previous prime is 20555009. The next prime is 20555071. The reversal of 20555034 is 43055502.

It is a junction number, because it is equal to n+sod(n) for n = 20554995 and 20555013.

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, 5169 + ... + 8235.

It is an arithmetic number, because the mean of its divisors is an integer number (2572518).

Almost surely, 220555034 is an apocalyptic number.

20555034 is an abundant number, since it is smaller than the sum of its proper divisors (20605254).

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

20555034 is a wasteful number, since it uses less digits than its factorization.

20555034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 20555034 is about 4533.7659842564. The cubic root of 20555034 is about 273.9298753183.

The spelling of 20555034 in words is "twenty million, five hundred fifty-five thousand, thirty-four".

Divisors: 1 2 3 6 1117 2234 3067 3351 6134 6702 9201 18402 3425839 6851678 10277517 20555034