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20039882 = 210019941
BaseRepresentation
bin100110001110…
…0100011001010
31101201010112212
41030130203022
520112234012
61553305122
7332223212
oct114344312
941633485
1020039882
1110348295
1268651a2
1341c8625
142939242
151b5cb22
hex131c8ca

20039882 has 4 divisors (see below), whose sum is σ = 30059826. Its totient is φ = 10019940.

The previous prime is 20039879. The next prime is 20039891. The reversal of 20039882 is 28893002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17732521 + 2307361 = 4211^2 + 1519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5009969 + ... + 5009972.

Almost surely, 220039882 is an apocalyptic number.

20039882 is a deficient number, since it is larger than the sum of its proper divisors (10019944).

20039882 is a wasteful number, since it uses less digits than its factorization.

20039882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019943.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 20039882 is about 4476.5926774725. The cubic root of 20039882 is about 271.6220692011.

The spelling of 20039882 in words is "twenty million, thirty-nine thousand, eight hundred eighty-two".

Divisors: 1 2 10019941 20039882