20460148 has 24 divisors (see below), whose sum is σ = 37202760. Its totient is φ = 9838080.

The previous prime is 20460091. The next prime is 20460151. The reversal of 20460148 is 84106402.

It can be written as a sum of positive squares in 4 ways, for example, as 11664 + 20448484 = 108^2 + 4522^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11118 + ... + 12826.

It is an arithmetic number, because the mean of its divisors is an integer number (1550115).

Almost surely, 2^20460148 is an apocalyptic number.

It is an amenable number.

20460148 is a deficient number, since it is larger than the sum of its proper divisors (16742612).

20460148 is a wasteful number, since it uses less digits than its factorization.

20460148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1825 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 20460148 is about 4523.2895109643. The cubic root of 20460148 is about 273.5077206951.

The spelling of 20460148 in words is "twenty million, four hundred sixty thousand, one hundred forty-eight".