20148695 has 8 divisors (see below), whose sum is σ = 27632544. Its totient is φ = 13816224.

The previous prime is 20148679. The next prime is 20148763. The reversal of 20148695 is 59684102.

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 20148695 - 2⁴ = 20148679 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 575677 = 20148695 / (2 + 0 + 1 + 4 + 8 + 6 + 9 + 5).

It is a Duffinian number.

It is a congruent number.

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, 287804 + ... + 287873.

It is an arithmetic number, because the mean of its divisors is an integer number (3454068).

Almost surely, 2^20148695 is an apocalyptic number.

20148695 is a deficient number, since it is larger than the sum of its proper divisors (7483849).

20148695 is an equidigital number, since it uses as much as digits as its factorization.

20148695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575689.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 20148695 is about 4488.7297757829. The cubic root of 20148695 is about 272.1128019372.

The spelling of 20148695 in words is "twenty million, one hundred forty-eight thousand, six hundred ninety-five".