20047897300032 has 448 divisors, whose sum is σ = 67930312704000. Its totient is φ = 5679347042304.

The previous prime is 20047897300009. The next prime is 20047897300033. The reversal of 20047897300032 is 23000379874002.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (20047897300033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 909644469 + ... + 909666507.

Almost surely, 2^{20047897300032} 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 20047897300032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33965156352000).

20047897300032 is an abundant number, since it is smaller than the sum of its proper divisors (47882415403968).

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

20047897300032 is a wasteful number, since it uses less digits than its factorization.

20047897300032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22703 (or 22687 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 20047897300032 in words is "twenty trillion, forty-seven billion, eight hundred ninety-seven million, three hundred thousand, thirty-two".