20512034024 has 16 divisors (see below), whose sum is σ = 38556946500. Its totient is φ = 10230181632.

The previous prime is 20512033981. The next prime is 20512034069. The reversal of 20512034024 is 42043021502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20480472100 + 31561924 = 143110^2 + 5618^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3226049 + ... + 3232400.

Almost surely, 2^20512034024 is an apocalyptic number.

It is an amenable number.

20512034024 is a deficient number, since it is larger than the sum of its proper divisors (18044912476).

20512034024 is a wasteful number, since it uses less digits than its factorization.

20512034024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458852 (or 6458848 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20512034024 its reverse (42043021502), we get a palindrome (62555055526).

The spelling of 20512034024 in words is "twenty billion, five hundred twelve million, thirty-four thousand, twenty-four".