20611484 has 12 divisors (see below), whose sum is σ = 36114624. Its totient is φ = 10293024.

The previous prime is 20611483. The next prime is 20611499. The reversal of 20611484 is 48411602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20611483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (3009552).

Almost surely, 2^20611484 is an apocalyptic number.

It is an amenable number.

20611484 is a deficient number, since it is larger than the sum of its proper divisors (15503140).

20611484 is a wasteful number, since it uses less digits than its factorization.

20611484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364 (or 6362 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 20611484 is about 4539.9872246516. The cubic root of 20611484 is about 274.1804093632.

The spelling of 20611484 in words is "twenty million, six hundred eleven thousand, four hundred eighty-four".