20031240415100 has 18 divisors (see below), whose sum is σ = 43467791700984. Its totient is φ = 8012496166000.

The previous prime is 20031240415091. The next prime is 20031240415157. The reversal of 20031240415100 is 151404213002.

It is a congruent number.

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, 100156201976 + ... + 100156202175.

Almost surely, 2^{20031240415100} is an apocalyptic number.

20031240415100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20031240415100 is an abundant number, since it is smaller than the sum of its proper divisors (23436551285884).

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

20031240415100 is a wasteful number, since it uses less digits than its factorization.

20031240415100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200312404165 (or 200312404158 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20031240415100 its reverse (151404213002), we get a palindrome (20182644628102).

The spelling of 20031240415100 in words is "twenty trillion, thirty-one billion, two hundred forty million, four hundred fifteen thousand, one hundred".