20544107 has 8 divisors (see below), whose sum is σ = 20952432. Its totient is φ = 20140000.

The previous prime is 20544101. The next prime is 20544113. The reversal of 20544107 is 70144502.

It is an interprime number because it is at equal distance from previous prime (20544101) and next prime (20544113).

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 20544107 - 2¹⁶ = 20478571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20544101) 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, 9857 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (2619054).

Almost surely, 2^20544107 is an apocalyptic number.

20544107 is a deficient number, since it is larger than the sum of its proper divisors (408325).

20544107 is a wasteful number, since it uses less digits than its factorization.

20544107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 20544107 is about 4532.5607552464. The cubic root of 20544107 is about 273.8813265897.

Adding to 20544107 its reverse (70144502), we get a palindrome (90688609).

It can be divided in two parts, 2054 and 4107, that multiplied together give a triangular number (8435778 = T₄₁₀₇).

The spelling of 20544107 in words is "twenty million, five hundred forty-four thousand, one hundred seven".