20315524426016 has 24 divisors (see below), whose sum is σ = 40008575473020. Its totient is φ = 10154616369408.

The previous prime is 20315524426009. The next prime is 20315524426133. The reversal of 20315524426016 is 61062442551302.

It can be written as a sum of positive squares in 2 ways, for example, as 20314671552400 + 852873616 = 4507180^2 + 29204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98202671 + ... + 98409326.

Almost surely, 2^{20315524426016} is an apocalyptic number.

It is an amenable number.

20315524426016 is a deficient number, since it is larger than the sum of its proper divisors (19693051047004).

20315524426016 is a wasteful number, since it uses less digits than its factorization.

20315524426016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196615236 (or 196615228 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 20315524426016 its reverse (61062442551302), we get a palindrome (81377966977318).

The spelling of 20315524426016 in words is "twenty trillion, three hundred fifteen billion, five hundred twenty-four million, four hundred twenty-six thousand, sixteen".