15020990 has 8 divisors (see below), whose sum is σ = 27037800. Its totient is φ = 6008392.

The previous prime is 15020969. The next prime is 15021007. The reversal of 15020990 is 9902051.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751040 + ... + 751059.

It is an arithmetic number, because the mean of its divisors is an integer number (3379725).

Almost surely, 2^15020990 is an apocalyptic number.

15020990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15020990 is a deficient number, since it is larger than the sum of its proper divisors (12016810).

15020990 is a wasteful number, since it uses less digits than its factorization.

15020990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502106.

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 15020990 is about 3875.6921962406. The cubic root of 15020990 is about 246.7361889093.

The spelling of 15020990 in words is "fifteen million, twenty thousand, nine hundred ninety".