20524052 has 6 divisors (see below), whose sum is σ = 35917098. Its totient is φ = 10262024.

The previous prime is 20524039. The next prime is 20524061. The reversal of 20524052 is 25042502.

20524052 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in only one way, i.e., 11062276 + 9461776 = 3326^2 + 3076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565503 + ... + 2565510.

It is an arithmetic number, because the mean of its divisors is an integer number (5986183).

Almost surely, 2^20524052 is an apocalyptic number.

It is an amenable number.

20524052 is a deficient number, since it is larger than the sum of its proper divisors (15393046).

20524052 is a wasteful number, since it uses less digits than its factorization.

20524052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131017 (or 5131015 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20524052 is about 4530.3478895114. The cubic root of 20524052 is about 273.7921772895.

Adding to 20524052 its reverse (25042502), we get a palindrome (45566554).

The spelling of 20524052 in words is "twenty million, five hundred twenty-four thousand, fifty-two".