20485058 has 12 divisors (see below), whose sum is σ = 33775350. Its totient is φ = 9311280.

The previous prime is 20485039. The next prime is 20485067. The reversal of 20485058 is 85058402.

It can be written as a sum of positive squares in only one way, i.e., 19651489 + 833569 = 4433^2 + 913^2 .

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 5 ways as a sum of consecutive naturals, for example, 42083 + ... + 42566.

Almost surely, 2^20485058 is an apocalyptic number.

20485058 is a deficient number, since it is larger than the sum of its proper divisors (13290292).

20485058 is a wasteful number, since it uses less digits than its factorization.

20485058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84673 (or 84662 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 20485058 is about 4526.0422004219. The cubic root of 20485058 is about 273.6186732037.

The spelling of 20485058 in words is "twenty million, four hundred eighty-five thousand, fifty-eight".