20144503426774 has 8 divisors (see below), whose sum is σ = 30312076135248. Its totient is φ = 10040478048360.

The previous prime is 20144503426763. The next prime is 20144503426781. The reversal of 20144503426774 is 47762430544102.

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

It is a super-2 number, since 2×20144503426774² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 15886831722 + ... + 15886832989.

It is an arithmetic number, because the mean of its divisors is an integer number (3789009516906).

Almost surely, 2^{20144503426774} is an apocalyptic number.

20144503426774 is a deficient number, since it is larger than the sum of its proper divisors (10167572708474).

20144503426774 is a wasteful number, since it uses less digits than its factorization.

20144503426774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31773665030.

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 20144503426774 in words is "twenty trillion, one hundred forty-four billion, five hundred three million, four hundred twenty-six thousand, seven hundred seventy-four".