20765326356430 has 16 divisors (see below), whose sum is σ = 37545199945344. Its totient is φ = 8268883319520.

The previous prime is 20765326356421. The next prime is 20765326356469. The reversal of 20765326356430 is 3465362356702.

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, 4655900541 + ... + 4655905000.

It is an arithmetic number, because the mean of its divisors is an integer number (2346574996584).

Almost surely, 2^{20765326356430} is an apocalyptic number.

20765326356430 is a deficient number, since it is larger than the sum of its proper divisors (16779873588914).

20765326356430 is a wasteful number, since it uses less digits than its factorization.

20765326356430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311805771.

The product of its (nonzero) digits is 16329600, while the sum is 52.

The spelling of 20765326356430 in words is "twenty trillion, seven hundred sixty-five billion, three hundred twenty-six million, three hundred fifty-six thousand, four hundred thirty".