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20037012 = 2231669751
BaseRepresentation
bin100110001101…
…1110110010100
31101200222121120
41030123312110
520112141022
61553243540
7332211642
oct114336624
941628546
1020037012
1110346116
1268635b0
1341c7228
142938192
151b5bd5c
hex131bd94

20037012 has 12 divisors (see below), whose sum is σ = 46753056. Its totient is φ = 6679000.

The previous prime is 20036983. The next prime is 20037013. The reversal of 20037012 is 21073002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20036982 and 20037000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20037013) 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 3 ways as a sum of consecutive naturals, for example, 834864 + ... + 834887.

It is an arithmetic number, because the mean of its divisors is an integer number (3896088).

Almost surely, 220037012 is an apocalyptic number.

It is an amenable number.

20037012 is an abundant number, since it is smaller than the sum of its proper divisors (26716044).

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

20037012 is a wasteful number, since it uses less digits than its factorization.

20037012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669758 (or 1669756 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20037012 is about 4476.2721096913. The cubic root of 20037012 is about 271.6091018500.

The spelling of 20037012 in words is "twenty million, thirty-seven thousand, twelve".

Divisors: 1 2 3 4 6 12 1669751 3339502 5009253 6679004 10018506 20037012