15150020 has 48 divisors (see below), whose sum is σ = 33324480. Its totient is φ = 5779584.

The previous prime is 15150017. The next prime is 15150053. The reversal of 15150020 is 2005151.

It is a junction number, because it is equal to n+sod(n) for n = 15149977 and 15150004.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 43487 + ... + 43833.

It is an arithmetic number, because the mean of its divisors is an integer number (694260).

Almost surely, 2^15150020 is an apocalyptic number.

15150020 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 15150020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16662240).

15150020 is an abundant number, since it is smaller than the sum of its proper divisors (18174460).

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

15150020 is a wasteful number, since it uses less digits than its factorization.

15150020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 15150020 is about 3892.3026603798. The cubic root of 15150020 is about 247.4406618963.

Adding to 15150020 its reverse (2005151), we get a palindrome (17155171).

The spelling of 15150020 in words is "fifteen million, one hundred fifty thousand, twenty".