20479153 has 8 divisors (see below), whose sum is σ = 20869472. Its totient is φ = 20091456.

The previous prime is 20479141. The next prime is 20479159. The reversal of 20479153 is 35197402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20479153 - 2⁹ = 20478641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20479159) 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, 22126 + ... + 23032.

It is an arithmetic number, because the mean of its divisors is an integer number (2608684).

Almost surely, 2^20479153 is an apocalyptic number.

It is an amenable number.

20479153 is a deficient number, since it is larger than the sum of its proper divisors (390319).

20479153 is an equidigital number, since it uses as much as digits as its factorization.

20479153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20479153 is about 4525.3898174632. The cubic root of 20479153 is about 273.5923796725.

The spelling of 20479153 in words is "twenty million, four hundred seventy-nine thousand, one hundred fifty-three".