20201042432 has 160 divisors (see below), whose sum is σ = 42913753344. Its totient is φ = 9488793600.

The previous prime is 20201042429. The next prime is 20201042441. The reversal of 20201042432 is 23424010202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74542457 + ... + 74542727.

Almost surely, 2^20201042432 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 20201042432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21456876672).

20201042432 is an abundant number, since it is smaller than the sum of its proper divisors (22712710912).

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

20201042432 is an equidigital number, since it uses as much as digits as its factorization.

20201042432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20201042432 its reverse (23424010202), we get a palindrome (43625052634).

It can be divided in two parts, 202010 and 42432, that added together give a palindrome (244442).

The spelling of 20201042432 in words is "twenty billion, two hundred one million, forty-two thousand, four hundred thirty-two".