20379153 has 16 divisors (see below), whose sum is σ = 29214720. Its totient is φ = 12595536.

The previous prime is 20379137. The next prime is 20379169. The reversal of 20379153 is 35197302.

It is an interprime number because it is at equal distance from previous prime (20379137) and next prime (20379169).

It is not a de Polignac number, because 20379153 - 2⁴ = 20379137 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20379153.

It is not an unprimeable number, because it can be changed into a prime (20379103) 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 15 ways as a sum of consecutive naturals, for example, 1125 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (1825920).

Almost surely, 2^20379153 is an apocalyptic number.

It is an amenable number.

20379153 is a deficient number, since it is larger than the sum of its proper divisors (8835567).

20379153 is a wasteful number, since it uses less digits than its factorization.

20379153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 20379153 is about 4514.3275246708. The cubic root of 20379153 is about 273.1463343531.

The spelling of 20379153 in words is "twenty million, three hundred seventy-nine thousand, one hundred fifty-three".