20524534412 has 18 divisors (see below), whose sum is σ = 36277151484. Its totient is φ = 10160640400.

The previous prime is 20524534399. The next prime is 20524534417. The reversal of 20524534412 is 21443542502.

It is not an unprimeable number, because it can be changed into a prime (20524534417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210698 + ... + 292305.

Almost surely, 2^20524534412 is an apocalyptic number.

It is an amenable number.

20524534412 is a deficient number, since it is larger than the sum of its proper divisors (15752617072).

20524534412 is a wasteful number, since it uses less digits than its factorization.

20524534412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503209 (or 503106 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The spelling of 20524534412 in words is "twenty billion, five hundred twenty-four million, five hundred thirty-four thousand, four hundred twelve".