20044253521154 has 8 divisors (see below), whose sum is σ = 30358286886720. Its totient is φ = 9924824558916.

The previous prime is 20044253521081. The next prime is 20044253521247. The reversal of 20044253521154 is 45112535244002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48651100574 + ... + 48651100985.

It is an arithmetic number, because the mean of its divisors is an integer number (3794785860840).

Almost surely, 2^{20044253521154} is an apocalyptic number.

20044253521154 is a deficient number, since it is larger than the sum of its proper divisors (10314033365566).

20044253521154 is a wasteful number, since it uses less digits than its factorization.

20044253521154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97302201664.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 20044253521154 its reverse (45112535244002), we get a palindrome (65156788765156).

The spelling of 20044253521154 in words is "twenty trillion, forty-four billion, two hundred fifty-three million, five hundred twenty-one thousand, one hundred fifty-four".