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20835334 = 213261643
BaseRepresentation
bin100111101111…
…0110000000110
31110012112201001
41033132300012
520313212314
62022323514
7342045262
oct117366006
943175631
1020835334
1110840993
126b8959a
134416700
142aa50a2
151c68674
hex13dec06

20835334 has 12 divisors (see below), whose sum is σ = 33842556. Its totient is φ = 9616152.

The previous prime is 20835301. The next prime is 20835337. The reversal of 20835334 is 43353802.

It is a super-2 number, since 2×208353342 = 868222285783112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20835337) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 30484 + ... + 31159.

It is an arithmetic number, because the mean of its divisors is an integer number (2820213).

Almost surely, 220835334 is an apocalyptic number.

20835334 is a deficient number, since it is larger than the sum of its proper divisors (13007222).

20835334 is a wasteful number, since it uses less digits than its factorization.

20835334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61671 (or 61658 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 20835334 is about 4564.5738026677. The cubic root of 20835334 is about 275.1694118670.

The spelling of 20835334 in words is "twenty million, eight hundred thirty-five thousand, three hundred thirty-four".

Divisors: 1 2 13 26 169 338 61643 123286 801359 1602718 10417667 20835334