20413412432 has 80 divisors (see below), whose sum is σ = 47900208000. Its totient is φ = 8232399360.

The previous prime is 20413412423. The next prime is 20413412477. The reversal of 20413412432 is 23421431402.

It is a congruent number.

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, 284882 + ... + 349262.

It is an arithmetic number, because the mean of its divisors is an integer number (598752600).

Almost surely, 2^20413412432 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 20413412432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23950104000).

20413412432 is an abundant number, since it is smaller than the sum of its proper divisors (27486795568).

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

20413412432 is a wasteful number, since it uses less digits than its factorization.

20413412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64564 (or 64558 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20413412432 its reverse (23421431402), we get a palindrome (43834843834).

The spelling of 20413412432 in words is "twenty billion, four hundred thirteen million, four hundred twelve thousand, four hundred thirty-two".