20460193 has 8 divisors (see below), whose sum is σ = 22396136. Its totient is φ = 18576000.

The previous prime is 20460157. The next prime is 20460199. The reversal of 20460193 is 39106402.

It can be written as a sum of positive squares in 4 ways, for example, as 183184 + 20277009 = 428^2 + 4503^2 .

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 20460193 - 2¹⁷ = 20329121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20460199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12108 + ... + 13693.

It is an arithmetic number, because the mean of its divisors is an integer number (2799517).

Almost surely, 2^20460193 is an apocalyptic number.

It is an amenable number.

20460193 is a deficient number, since it is larger than the sum of its proper divisors (1935943).

20460193 is a wasteful number, since it uses less digits than its factorization.

20460193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25875.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20460193 is about 4523.2944852176. The cubic root of 20460193 is about 273.5079212123.

Adding to 20460193 its reverse (39106402), we get a palindrome (59566595).

The spelling of 20460193 in words is "twenty million, four hundred sixty thousand, one hundred ninety-three".