20144452036634 has 8 divisors (see below), whose sum is σ = 30216697826880. Its totient is φ = 10072219427676.

The previous prime is 20144452036627. The next prime is 20144452036679. The reversal of 20144452036634 is 43663025444102.

It is a happy number.

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, 2725277 + ... + 6907679.

It is an arithmetic number, because the mean of its divisors is an integer number (3777087228360).

Almost surely, 2^{20144452036634} is an apocalyptic number.

20144452036634 is a deficient number, since it is larger than the sum of its proper divisors (10072245790246).

20144452036634 is a wasteful number, since it uses less digits than its factorization.

20144452036634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590644.

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 20144452036634 in words is "twenty trillion, one hundred forty-four billion, four hundred fifty-two million, thirty-six thousand, six hundred thirty-four".