20524030 has 16 divisors (see below), whose sum is σ = 37052640. Its totient is φ = 8185312.

The previous prime is 20524013. The next prime is 20524037. The reversal of 20524030 is 3042502.

It is a junction number, because it is equal to n+sod(n) for n = 20523995 and 20524013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732 + ... + 6448.

It is an arithmetic number, because the mean of its divisors is an integer number (2315790).

Almost surely, 2^20524030 is an apocalyptic number.

20524030 is a deficient number, since it is larger than the sum of its proper divisors (16528610).

20524030 is a wasteful number, since it uses less digits than its factorization.

20524030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6083.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 20524030 is about 4530.3454614411. The cubic root of 20524030 is about 273.7920794624.

Adding to 20524030 its reverse (3042502), we get a palindrome (23566532).

The spelling of 20524030 in words is "twenty million, five hundred twenty-four thousand, thirty".