8150020 has 12 divisors (see below), whose sum is σ = 17115084. Its totient is φ = 3260000.

The previous prime is 8150017. The next prime is 8150029. The reversal of 8150020 is 200518.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5080516 + 3069504 = 2254^2 + 1752^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8149976 and 8150003.

It is not an unprimeable number, because it can be changed into a prime (8150029) 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, 203731 + ... + 203770.

It is an arithmetic number, because the mean of its divisors is an integer number (1426257).

Almost surely, 2^8150020 is an apocalyptic number.

It is an amenable number.

8150020 is an abundant number, since it is smaller than the sum of its proper divisors (8965064).

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

8150020 is a wasteful number, since it uses less digits than its factorization.

8150020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407510 (or 407508 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 8150020 is about 2854.8239875691. The cubic root of 8150020 is about 201.2424324920.

Adding to 8150020 its reverse (200518), we get a palindrome (8350538).

The spelling of 8150020 in words is "eight million, one hundred fifty thousand, twenty".