20010112300440 has 48 divisors (see below), whose sum is σ = 65032864977600. Its totient is φ = 5336029946688.

The previous prime is 20010112300379. The next prime is 20010112300469. The reversal of 20010112300440 is 4400321101002.

20010112300440 is a `hidden beast` number, since 2 + 0 + 0 + 101 + 123 + 0 + 0 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27791822280 + ... + 27791822999.

It is an arithmetic number, because the mean of its divisors is an integer number (1354851353700).

Almost surely, 2^{20010112300440} is an apocalyptic number.

20010112300440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010112300440 is an abundant number, since it is smaller than the sum of its proper divisors (45022752677160).

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

20010112300440 is a wasteful number, since it uses less digits than its factorization.

20010112300440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55583645296 (or 55583645289 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20010112300440 its reverse (4400321101002), we get a palindrome (24410433401442).

The spelling of 20010112300440 in words is "twenty trillion, ten billion, one hundred twelve million, three hundred thousand, four hundred forty".