20244349 has 8 divisors (see below), whose sum is σ = 21056760. Its totient is φ = 19439616.

The previous prime is 20244337. The next prime is 20244361. The reversal of 20244349 is 94344202.

It is an interprime number because it is at equal distance from previous prime (20244337) and next prime (20244361).

It can be written as a sum of positive squares in 4 ways, for example, as 156025 + 20088324 = 395^2 + 4482^2 .

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 20244349 - 2⁵ = 20244317 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 (20244149) 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, 3789 + ... + 7405.

It is an arithmetic number, because the mean of its divisors is an integer number (2632095).

Almost surely, 2^20244349 is an apocalyptic number.

20244349 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20244349 is a deficient number, since it is larger than the sum of its proper divisors (812411).

20244349 is a wasteful number, since it uses less digits than its factorization.

20244349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839.

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

The square root of 20244349 is about 4499.3720673001. The cubic root of 20244349 is about 272.5427321253.

It can be divided in two parts, 202 and 44349, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 20244349 in words is "twenty million, two hundred forty-four thousand, three hundred forty-nine".