20148708 has 12 divisors (see below), whose sum is σ = 47013680. Its totient is φ = 6716232.

The previous prime is 20148679. The next prime is 20148763. The reversal of 20148708 is 80784102.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 839518 + ... + 839541.

Almost surely, 2^20148708 is an apocalyptic number.

It is an amenable number.

20148708 is an abundant number, since it is smaller than the sum of its proper divisors (26864972).

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

20148708 is a wasteful number, since it uses less digits than its factorization.

20148708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679066 (or 1679064 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 20148708 is about 4488.7312238538. The cubic root of 20148708 is about 272.1128604598.

The spelling of 20148708 in words is "twenty million, one hundred forty-eight thousand, seven hundred eight".