20336815953792 has 1536 divisors, whose sum is σ = 70514143056000. Its totient is φ = 5724330393600.

The previous prime is 20336815953787. The next prime is 20336815953841. The reversal of 20336815953792 is 29735951863302.

It is a happy number.

20336815953792 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 6 + 8 + 1 + 5 + 9 + 537 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 257428050009 + ... + 257428050087.

Almost surely, 2^{20336815953792} 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 20336815953792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35257071528000).

20336815953792 is an abundant number, since it is smaller than the sum of its proper divisors (50177327102208).

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

20336815953792 is a wasteful number, since it uses less digits than its factorization.

20336815953792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 63.

The spelling of 20336815953792 in words is "twenty trillion, three hundred thirty-six billion, eight hundred fifteen million, nine hundred fifty-three thousand, seven hundred ninety-two".