20360142506446 has 16 divisors (see below), whose sum is σ = 30626686430784. Its totient is φ = 10151252930304.

The previous prime is 20360142506413. The next prime is 20360142506453. The reversal of 20360142506446 is 64460524106302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5453526 + ... + 8394118.

It is an arithmetic number, because the mean of its divisors is an integer number (1914167901924).

Almost surely, 2^{20360142506446} is an apocalyptic number.

20360142506446 is a deficient number, since it is larger than the sum of its proper divisors (10266543924338).

20360142506446 is a wasteful number, since it uses less digits than its factorization.

20360142506446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950395.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 20360142506446 in words is "twenty trillion, three hundred sixty billion, one hundred forty-two million, five hundred six thousand, four hundred forty-six".