20100134441440 has 24 divisors (see below), whose sum is σ = 47486567618280. Its totient is φ = 8040053776512.

The previous prime is 20100134441323. The next prime is 20100134441467. The reversal of 20100134441440 is 4414443100102.

It is a junction number, because it is equal to n+sod(n) for n = 20100134441399 and 20100134441408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62812919970 + ... + 62812920289.

It is an arithmetic number, because the mean of its divisors is an integer number (1978606984095).

Almost surely, 2^{20100134441440} is an apocalyptic number.

20100134441440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100134441440 is an abundant number, since it is smaller than the sum of its proper divisors (27386433176840).

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

20100134441440 is a wasteful number, since it uses less digits than its factorization.

20100134441440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125625840274 (or 125625840266 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20100134441440 its reverse (4414443100102), we get a palindrome (24514577541542).

The spelling of 20100134441440 in words is "twenty trillion, one hundred billion, one hundred thirty-four million, four hundred forty-one thousand, four hundred forty".