20244394 has 8 divisors (see below), whose sum is σ = 30385728. Its totient is φ = 10115820.

The previous prime is 20244391. The next prime is 20244397. The reversal of 20244394 is 49344202.

It is an interprime number because it is at equal distance from previous prime (20244391) and next prime (20244397).

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

It is not an unprimeable number, because it can be changed into a prime (20244391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239 + ... + 7645.

It is an arithmetic number, because the mean of its divisors is an integer number (3798216).

Almost surely, 2^20244394 is an apocalyptic number.

20244394 is a deficient number, since it is larger than the sum of its proper divisors (10141334).

20244394 is a wasteful number, since it uses less digits than its factorization.

20244394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 20244394 is about 4499.3770679951. The cubic root of 20244394 is about 272.5429340650.

Adding to 20244394 its reverse (49344202), we get a palindrome (69588596).

The spelling of 20244394 in words is "twenty million, two hundred forty-four thousand, three hundred ninety-four".