20544106 has 24 divisors (see below), whose sum is σ = 35354592. Its totient is φ = 8929800.

The previous prime is 20544101. The next prime is 20544113. The reversal of 20544106 is 60144502.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 11 ways as a sum of consecutive naturals, for example, 3721 + ... + 7411.

It is an arithmetic number, because the mean of its divisors is an integer number (1473108).

Almost surely, 2^20544106 is an apocalyptic number.

20544106 is a deficient number, since it is larger than the sum of its proper divisors (14810486).

20544106 is a wasteful number, since it uses less digits than its factorization.

20544106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20544106 is about 4532.5606449335. The cubic root of 20544106 is about 273.8813221459.

Adding to 20544106 its reverse (60144502), we get a palindrome (80688608).

The spelling of 20544106 in words is "twenty million, five hundred forty-four thousand, one hundred six".