20112403432002 has 48 divisors (see below), whose sum is σ = 46792772478720. Its totient is φ = 5746321130592.

The previous prime is 20112403431971. The next prime is 20112403432003. The reversal of 20112403432002 is 20023430421102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20112403432003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22624399 + ... + 23496557.

It is an arithmetic number, because the mean of its divisors is an integer number (974849426640).

Almost surely, 2^{20112403432002} is an apocalyptic number.

20112403432002 is an abundant number, since it is smaller than the sum of its proper divisors (26680369046718).

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

20112403432002 is a wasteful number, since it uses less digits than its factorization.

20112403432002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950615 (or 950608 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20112403432002 its reverse (20023430421102), we get a palindrome (40135833853104).

The spelling of 20112403432002 in words is "twenty trillion, one hundred twelve billion, four hundred three million, four hundred thirty-two thousand, two".