20344135452100 has 36 divisors (see below), whose sum is σ = 44164412018944. Its totient is φ = 8134402920480.

The previous prime is 20344135452013. The next prime is 20344135452127. The reversal of 20344135452100 is 125453144302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40389204 + ... + 40889803.

Almost surely, 2^{20344135452100} is an apocalyptic number.

20344135452100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20344135452100 is an abundant number, since it is smaller than the sum of its proper divisors (23820276566844).

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

20344135452100 is a wasteful number, since it uses less digits than its factorization.

20344135452100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81281524 (or 81281517 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 20344135452100 its reverse (125453144302), we get a palindrome (20469588596402).

The spelling of 20344135452100 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-five million, four hundred fifty-two thousand, one hundred".