20432037572352 has 216 divisors, whose sum is σ = 67715580782304. Its totient is φ = 5803980152832.

The previous prime is 20432037572347. The next prime is 20432037572363. The reversal of 20432037572352 is 25327573023402.

20432037572352 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 20 + 3 + 7 + 572 + 3 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20432037572298 and 20432037572307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 871323 + ... + 6451610.

Almost surely, 2^{20432037572352} 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 20432037572352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33857790391152).

20432037572352 is an abundant number, since it is smaller than the sum of its proper divisors (47283543209952).

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

20432037572352 is a wasteful number, since it uses less digits than its factorization.

20432037572352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323135 (or 7323118 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 45.

The spelling of 20432037572352 in words is "twenty trillion, four hundred thirty-two billion, thirty-seven million, five hundred seventy-two thousand, three hundred fifty-two".