20303148 has 24 divisors (see below), whose sum is σ = 47518128. Its totient is φ = 6747136.

The previous prime is 20303147. The next prime is 20303149. The reversal of 20303148 is 84130302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20303147) and next prime (20303149).

It is a super-3 number, since 3×20303148³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20303141) by changing a digit.

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, 1840 + ... + 6632.

It is an arithmetic number, because the mean of its divisors is an integer number (1979922).

Almost surely, 2^20303148 is an apocalyptic number.

It is an amenable number.

20303148 is an abundant number, since it is smaller than the sum of its proper divisors (27214980).

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

20303148 is a wasteful number, since it uses less digits than its factorization.

20303148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153 (or 5151 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20303148 is about 4505.9014636363. The cubic root of 20303148 is about 272.8063406707.

The spelling of 20303148 in words is "twenty million, three hundred three thousand, one hundred forty-eight".