20303040143445 has 8 divisors (see below), whose sum is σ = 32484864229536. Its totient is φ = 10828288076496.

The previous prime is 20303040143437. The next prime is 20303040143461. The reversal of 20303040143445 is 54434104030302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20303040143445 - 2³ = 20303040143437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676768004767 + ... + 676768004796.

It is an arithmetic number, because the mean of its divisors is an integer number (4060608028692).

Almost surely, 2^{20303040143445} is an apocalyptic number.

It is an amenable number.

20303040143445 is a deficient number, since it is larger than the sum of its proper divisors (12181824086091).

20303040143445 is a wasteful number, since it uses less digits than its factorization.

20303040143445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353536009571.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20303040143445 its reverse (54434104030302), we get a palindrome (74737144173747).

The spelling of 20303040143445 in words is "twenty trillion, three hundred three billion, forty million, one hundred forty-three thousand, four hundred forty-five".