20200003230440 has 128 divisors (see below), whose sum is σ = 52679168294400. Its totient is φ = 6893816474880.

The previous prime is 20200003230427. The next prime is 20200003230503. The reversal of 20200003230440 is 4403230000202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10396454 + ... + 12185493.

It is an arithmetic number, because the mean of its divisors is an integer number (411556002300).

Almost surely, 2^{20200003230440} is an apocalyptic number.

20200003230440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200003230440 is an abundant number, since it is smaller than the sum of its proper divisors (32479165063960).

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

20200003230440 is a wasteful number, since it uses less digits than its factorization.

20200003230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22582095 (or 22582091 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20200003230440 its reverse (4403230000202), we get a palindrome (24603233230642).

The spelling of 20200003230440 in words is "twenty trillion, two hundred billion, three million, two hundred thirty thousand, four hundred forty".