20692 has 12 divisors (see below), whose sum is σ = 41440. Its totient is φ = 8856.
The previous prime is 20681. The next prime is 20693. The reversal of 20692 is 29602.
20692 is nontrivially palindromic in base 13.
20692 is an admirable number.
It is a nialpdrome in base 12.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20693) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342 + ... + 397.
220692 is an apocalyptic number.
It is an amenable number.
20692 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20720).
20692 is a wasteful number, since it uses less digits than its factorization.
20692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 750 (or 748 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 20692 is about 143.8471410908. The cubic root of 20692 is about 27.4536961832.
The spelling of 20692 in words is "twenty thousand, six hundred ninety-two".
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