20575484 has 6 divisors (see below), whose sum is σ = 36007104. Its totient is φ = 10287740.

The previous prime is 20575463. The next prime is 20575487. The reversal of 20575484 is 48457502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20575487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571932 + ... + 2571939.

It is an arithmetic number, because the mean of its divisors is an integer number (6001184).

Almost surely, 2^20575484 is an apocalyptic number.

It is an amenable number.

20575484 is a deficient number, since it is larger than the sum of its proper divisors (15431620).

20575484 is a wasteful number, since it uses less digits than its factorization.

20575484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143875 (or 5143873 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 20575484 is about 4536.0207230567. The cubic root of 20575484 is about 274.0206885830.

The spelling of 20575484 in words is "twenty million, five hundred seventy-five thousand, four hundred eighty-four".