15020980 has 24 divisors (see below), whose sum is σ = 33971112. Its totient is φ = 5546112.

The previous prime is 15020969. The next prime is 15021007. The reversal of 15020980 is 8902051.

It can be written as a sum of positive squares in 4 ways, for example, as 550564 + 14470416 = 742^2 + 3804^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 28627 + ... + 29146.

It is an arithmetic number, because the mean of its divisors is an integer number (1415463).

Almost surely, 2^15020980 is an apocalyptic number.

15020980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15020980 is an abundant number, since it is smaller than the sum of its proper divisors (18950132).

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

15020980 is a wasteful number, since it uses less digits than its factorization.

15020980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57795 (or 57793 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 15020980 is about 3875.6909061482. The cubic root of 15020980 is about 246.7361341557.

The spelling of 15020980 in words is "fifteen million, twenty thousand, nine hundred eighty".