20205524312 has 32 divisors (see below), whose sum is σ = 39896280000. Its totient is φ = 9566968608.

The previous prime is 20205524309. The next prime is 20205524327. The reversal of 20205524312 is 21342550202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346739 + ... + 400797.

It is an arithmetic number, because the mean of its divisors is an integer number (1246758750).

Almost surely, 2^20205524312 is an apocalyptic number.

It is an amenable number.

20205524312 is a deficient number, since it is larger than the sum of its proper divisors (19690755688).

20205524312 is a wasteful number, since it uses less digits than its factorization.

20205524312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56543 (or 56539 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 20205524312 in words is "twenty billion, two hundred five million, five hundred twenty-four thousand, three hundred twelve".