1403044320020 has 72 divisors (see below), whose sum is σ = 3432040168704. Its totient is φ = 471967337088.

The previous prime is 1403044320019. The next prime is 1403044320037. The reversal of 1403044320020 is 200234403041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1390604 + ... + 2177123.

Almost surely, 2^{1403044320020} is an apocalyptic number.

1403044320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403044320020 is an abundant number, since it is smaller than the sum of its proper divisors (2028995848684).

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

1403044320020 is a wasteful number, since it uses less digits than its factorization.

1403044320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567849 (or 3567794 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1403044320020 its reverse (200234403041), we get a palindrome (1603278723061).

The spelling of 1403044320020 in words is "one trillion, four hundred three billion, forty-four million, three hundred twenty thousand, twenty".