20463245 has 8 divisors (see below), whose sum is σ = 26788320. Its totient is φ = 14882320.

The previous prime is 20463239. The next prime is 20463251. The reversal of 20463245 is 54236402.

It is an interprime number because it is at equal distance from previous prime (20463239) and next prime (20463251).

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

It is not a de Polignac number, because 20463245 - 2⁴ = 20463229 is a prime.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 185975 + ... + 186084.

It is an arithmetic number, because the mean of its divisors is an integer number (3348540).

Almost surely, 2^20463245 is an apocalyptic number.

It is an amenable number.

20463245 is a deficient number, since it is larger than the sum of its proper divisors (6325075).

20463245 is a wasteful number, since it uses less digits than its factorization.

20463245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372075.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 20463245 is about 4523.6318373625. The cubic root of 20463245 is about 273.5215200523.

Adding to 20463245 its reverse (54236402), we get a palindrome (74699647).

The spelling of 20463245 in words is "twenty million, four hundred sixty-three thousand, two hundred forty-five".