20524452031 has 8 divisors (see below), whose sum is σ = 21027014064. Its totient is φ = 20021983680.

The previous prime is 20524452029. The next prime is 20524452037. The reversal of 20524452031 is 13025442502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20524452031 - 2¹ = 20524452029 is a prime.

It is a super-2 number, since 2×20524452031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20524452037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663301 + ... + 693553.

It is an arithmetic number, because the mean of its divisors is an integer number (2628376758).

Almost surely, 2^20524452031 is an apocalyptic number.

20524452031 is a deficient number, since it is larger than the sum of its proper divisors (502562033).

20524452031 is a wasteful number, since it uses less digits than its factorization.

20524452031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46841.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20524452031 its reverse (13025442502), we get a palindrome (33549894533).

The spelling of 20524452031 in words is "twenty billion, five hundred twenty-four million, four hundred fifty-two thousand, thirty-one".