20310560534 has 16 divisors (see below), whose sum is σ = 33578099856. Its totient is φ = 9136896000.

The previous prime is 20310560533. The next prime is 20310560539. The reversal of 20310560534 is 43506501302.

It is a junction number, because it is equal to n+sod(n) for n = 20310560497 and 20310560506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310560533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4756667 + ... + 4760934.

It is an arithmetic number, because the mean of its divisors is an integer number (2098631241).

Almost surely, 2^20310560534 is an apocalyptic number.

20310560534 is a deficient number, since it is larger than the sum of its proper divisors (13267539322).

20310560534 is a wasteful number, since it uses less digits than its factorization.

20310560534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517711.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 20310560534 in words is "twenty billion, three hundred ten million, five hundred sixty thousand, five hundred thirty-four".