20010544 has 20 divisors (see below), whose sum is σ = 38852424. Its totient is φ = 9984128.

The previous prime is 20010539. The next prime is 20010637. The reversal of 20010544 is 44501002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8859 + ... + 10885.

Almost surely, 2^20010544 is an apocalyptic number.

It is an amenable number.

20010544 is a deficient number, since it is larger than the sum of its proper divisors (18841880).

20010544 is a wasteful number, since it uses less digits than its factorization.

20010544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20010544 is about 4473.3146547052. The cubic root of 20010544 is about 271.4894546448.

Adding to 20010544 its reverse (44501002), we get a palindrome (64511546).

The spelling of 20010544 in words is "twenty million, ten thousand, five hundred forty-four".