20501430002512 has 20 divisors (see below), whose sum is σ = 42058080667476. Its totient is φ = 9647731765760.

The previous prime is 20501430002429. The next prime is 20501430002531. The reversal of 20501430002512 is 21520003410502.

It can be written as a sum of positive squares in 2 ways, for example, as 16880462485056 + 3620967517456 = 4108584^2 + 1902884^2 .

It is a congruent number.

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, 37686451939 + ... + 37686452482.

Almost surely, 2^{20501430002512} is an apocalyptic number.

It is an amenable number.

20501430002512 is an abundant number, since it is smaller than the sum of its proper divisors (21556650664964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20501430002512 is a wasteful number, since it uses less digits than its factorization.

20501430002512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75372904446 (or 75372904440 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20501430002512 in words is "twenty trillion, five hundred one billion, four hundred thirty million, two thousand, five hundred twelve".