20358148 has 24 divisors (see below), whose sum is σ = 36673560. Its totient is φ = 9884160.

The previous prime is 20358137. The next prime is 20358161. The reversal of 20358148 is 84185302.

It can be written as a sum of positive squares in 4 ways, for example, as 3564544 + 16793604 = 1888^2 + 4098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22668 + ... + 23548.

It is an arithmetic number, because the mean of its divisors is an integer number (1528065).

Almost surely, 2^20358148 is an apocalyptic number.

It is an amenable number.

20358148 is a deficient number, since it is larger than the sum of its proper divisors (16315412).

20358148 is a wasteful number, since it uses less digits than its factorization.

20358148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 20358148 is about 4512.0004432624. Note that the first 3 decimals coincide. The cubic root of 20358148 is about 273.0524571919.

The spelling of 20358148 in words is "twenty million, three hundred fifty-eight thousand, one hundred forty-eight".