20246245 has 8 divisors (see below), whose sum is σ = 24441984. Its totient is φ = 16099344.

The previous prime is 20246243. The next prime is 20246293. The reversal of 20246245 is 54264202.

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 20246245 - 2¹ = 20246243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20246243) 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, 11289 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (3055248).

Almost surely, 2^20246245 is an apocalyptic number.

It is an amenable number.

20246245 is a deficient number, since it is larger than the sum of its proper divisors (4195739).

20246245 is a wasteful number, since it uses less digits than its factorization.

20246245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24419.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 20246245 is about 4499.5827584344. The cubic root of 20246245 is about 272.5512402591.

The spelling of 20246245 in words is "twenty million, two hundred forty-six thousand, two hundred forty-five".