202071 has 8 divisors (see below), whose sum is σ = 271600. Its totient is φ = 133632.
The previous prime is 202067. The next prime is 202087. The reversal of 202071 is 170202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202071 - 22 = 202067 is a prime.
It is a Duffinian number.
202071 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202001) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405 + ... + 753.
It is an arithmetic number, because the mean of its divisors is an integer number (33950).
2202071 is an apocalyptic number.
202071 is a deficient number, since it is larger than the sum of its proper divisors (69529).
202071 is a wasteful number, since it uses less digits than its factorization.
202071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 545.
The product of its (nonzero) digits is 28, while the sum is 12.
The square root of 202071 is about 449.5230806088. The cubic root of 202071 is about 58.6815167010.
Adding to 202071 its reverse (170202), we get a palindrome (372273).
The spelling of 202071 in words is "two hundred two thousand, seventy-one", and thus it is an iban number.
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