150020 has 24 divisors (see below), whose sum is σ = 339864. Its totient is φ = 55296.
The previous prime is 150011. The next prime is 150041. The reversal of 150020 is 20051.
It can be written as a sum of positive squares in 4 ways, for example, as 31684 + 118336 = 178^2 + 344^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29 + ... + 548.
It is an arithmetic number, because the mean of its divisors is an integer number (14161).
2150020 is an apocalyptic number.
150020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 150020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169932).
150020 is an abundant number, since it is smaller than the sum of its proper divisors (189844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150020 is a wasteful number, since it uses less digits than its factorization.
150020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 599 (or 597 counting only the distinct ones).
The product of its (nonzero) digits is 10, while the sum is 8.
The square root of 150020 is about 387.3241536491. The cubic root of 150020 is about 53.1352898177.
Adding to 150020 its reverse (20051), we get a palindrome (170071).
The spelling of 150020 in words is "one hundred fifty thousand, twenty".
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