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20089012 = 226774959
BaseRepresentation
bin100110010100…
…0100010110100
31101210121221111
41030220202310
520120322022
61554324404
7332516356
oct114504264
941717844
1020089012
1110381199
126889704
134214ab8
14294d0d6
151b6c477
hex13288b4

20089012 has 12 divisors (see below), whose sum is σ = 35680960. Its totient is φ = 9894456.

The previous prime is 20089007. The next prime is 20089031. The reversal of 20089012 is 21098002.

It is a super-2 number, since 2×200890122 = 807136806272288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37212 + ... + 37747.

Almost surely, 220089012 is an apocalyptic number.

It is an amenable number.

20089012 is a deficient number, since it is larger than the sum of its proper divisors (15591948).

20089012 is a wasteful number, since it uses less digits than its factorization.

20089012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75030 (or 75028 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 20089012 is about 4482.0767507931. The cubic root of 20089012 is about 271.8438586254.

The spelling of 20089012 in words is "twenty million, eighty-nine thousand, twelve".

Divisors: 1 2 4 67 134 268 74959 149918 299836 5022253 10044506 20089012