20531012202716 has 12 divisors (see below), whose sum is σ = 36009292006800. Its totient is φ = 10242643057920.

The previous prime is 20531012202697. The next prime is 20531012202721. The reversal of 20531012202716 is 61720221013502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5715758840 + ... + 5715762431.

It is an arithmetic number, because the mean of its divisors is an integer number (3000774333900).

Almost surely, 2^{20531012202716} is an apocalyptic number.

It is an amenable number.

20531012202716 is a deficient number, since it is larger than the sum of its proper divisors (15478279804084).

20531012202716 is a wasteful number, since it uses less digits than its factorization.

20531012202716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11431521724 (or 11431521722 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 20531012202716 in words is "twenty trillion, five hundred thirty-one billion, twelve million, two hundred two thousand, seven hundred sixteen".