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20037026 = 210018513
BaseRepresentation
bin100110001101…
…1110110100010
31101200222122002
41030123312202
520112141101
61553244002
7332211662
oct114336642
941628562
1020037026
1110346129
126863602
1341c7239
1429381a2
151b5bd6b
hex131bda2

20037026 has 4 divisors (see below), whose sum is σ = 30055542. Its totient is φ = 10018512.

The previous prime is 20037023. The next prime is 20037037. The reversal of 20037026 is 62073002.

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., 19811401 + 225625 = 4451^2 + 475^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20036989 and 20037007.

It is not an unprimeable number, because it can be changed into a prime (20037023) 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 as a sum of consecutive naturals, namely, 5009255 + ... + 5009258.

Almost surely, 220037026 is an apocalyptic number.

20037026 is a deficient number, since it is larger than the sum of its proper divisors (10018516).

20037026 is a wasteful number, since it uses less digits than its factorization.

20037026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018515.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20037026 is about 4476.2736734923. The cubic root of 20037026 is about 271.6091651084.

The spelling of 20037026 in words is "twenty million, thirty-seven thousand, twenty-six".

Divisors: 1 2 10018513 20037026