20513362020008 has 256 divisors, whose sum is σ = 48706140672000. Its totient is φ = 7959308313600.

The previous prime is 20513362019933. The next prime is 20513362020059. The reversal of 20513362020008 is 80002026331502.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387156878 + ... + 387209858.

It is an arithmetic number, because the mean of its divisors is an integer number (190258362000).

Almost surely, 2^{20513362020008} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20513362020008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24353070336000).

20513362020008 is an abundant number, since it is smaller than the sum of its proper divisors (28192778651992).

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

20513362020008 is a wasteful number, since it uses less digits than its factorization.

20513362020008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53456 (or 53452 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20513362020008 in words is "twenty trillion, five hundred thirteen billion, three hundred sixty-two million, twenty thousand, eight".