20201242432 has 28 divisors (see below), whose sum is σ = 45813532960. Its totient is φ = 8657675136.

The previous prime is 20201242423. The next prime is 20201242459. The reversal of 20201242432 is 23424210202.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22545582 + ... + 22546477.

Almost surely, 2^20201242432 is an apocalyptic number.

It is an amenable number.

20201242432 is an abundant number, since it is smaller than the sum of its proper divisors (25612290528).

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

20201242432 is an equidigital number, since it uses as much as digits as its factorization.

20201242432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45092078 (or 45092068 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20201242432 its reverse (23424210202), we get a palindrome (43625452634).

The spelling of 20201242432 in words is "twenty billion, two hundred one million, two hundred forty-two thousand, four hundred thirty-two".