20041432100 has 18 divisors (see below), whose sum is σ = 43489907874. Its totient is φ = 8016572800.

The previous prime is 20041432091. The next prime is 20041432111. The reversal of 20041432100 is 123414002.

It can be written as a sum of positive squares in 3 ways, for example, as 6292931584 + 13748500516 = 79328^2 + 117254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100207061 + ... + 100207260.

It is an arithmetic number, because the mean of its divisors is an integer number (2416105993).

Almost surely, 2^20041432100 is an apocalyptic number.

20041432100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20041432100 is an abundant number, since it is smaller than the sum of its proper divisors (23448475774).

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

20041432100 is a wasteful number, since it uses less digits than its factorization.

20041432100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200414335 (or 200414328 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20041432100 its reverse (123414002), we get a palindrome (20164846102).

The spelling of 20041432100 in words is "twenty billion, forty-one million, four hundred thirty-two thousand, one hundred".