20131411432 has 64 divisors (see below), whose sum is σ = 41663160000. Its totient is φ = 9043246080.

The previous prime is 20131411423. The next prime is 20131411459. The reversal of 20131411432 is 23411413102.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 4016544 + ... + 4021552.

It is an arithmetic number, because the mean of its divisors is an integer number (650986875).

Almost surely, 2^20131411432 is an apocalyptic number.

20131411432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20131411432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20831580000).

20131411432 is an abundant number, since it is smaller than the sum of its proper divisors (21531748568).

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

20131411432 is a wasteful number, since it uses less digits than its factorization.

20131411432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554 (or 5550 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20131411432 its reverse (23411413102), we get a palindrome (43542824534).

The spelling of 20131411432 in words is "twenty billion, one hundred thirty-one million, four hundred eleven thousand, four hundred thirty-two".