15128020 has 24 divisors (see below), whose sum is σ = 33151104. Its totient is φ = 5787936.

The previous prime is 15128017. The next prime is 15128027. The reversal of 15128020 is 2082151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15128027) 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, 15984 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (1381296).

Almost surely, 2^15128020 is an apocalyptic number.

15128020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15128020 is an abundant number, since it is smaller than the sum of its proper divisors (18023084).

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

15128020 is a wasteful number, since it uses less digits than its factorization.

15128020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32919 (or 32917 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 15128020 is about 3889.4755430520. The cubic root of 15128020 is about 247.3208307740.

The spelling of 15128020 in words is "fifteen million, one hundred twenty-eight thousand, twenty".