20470896289536 has 432 divisors, whose sum is σ = 69245916501888. Its totient is φ = 5308903219200.

The previous prime is 20470896289531. The next prime is 20470896289549. The reversal of 20470896289536 is 63598269807402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20470896289531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270272791 + ... + 270348521.

It is an arithmetic number, because the mean of its divisors is an integer number (160291473384).

Almost surely, 2^{20470896289536} 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 20470896289536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34622958250944).

20470896289536 is an abundant number, since it is smaller than the sum of its proper divisors (48775020212352).

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

20470896289536 is a wasteful number, since it uses less digits than its factorization.

20470896289536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76428 (or 76407 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 69.

The spelling of 20470896289536 in words is "twenty trillion, four hundred seventy billion, eight hundred ninety-six million, two hundred eighty-nine thousand, five hundred thirty-six".