20573146348763 has 16 divisors (see below), whose sum is σ = 22395111017184. Its totient is φ = 18820235128320.

The previous prime is 20573146348751. The next prime is 20573146348813. The reversal of 20573146348763 is 36784364137502.

It is a cyclic number.

It is not a de Polignac number, because 20573146348763 - 2⁴ = 20573146348747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20573146348063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16231520 + ... + 17453037.

It is an arithmetic number, because the mean of its divisors is an integer number (1399694438574).

Almost surely, 2^{20573146348763} is an apocalyptic number.

20573146348763 is a deficient number, since it is larger than the sum of its proper divisors (1821964668421).

20573146348763 is a wasteful number, since it uses less digits than its factorization.

20573146348763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33685582.

The product of its (nonzero) digits is 60963840, while the sum is 59.

The spelling of 20573146348763 in words is "twenty trillion, five hundred seventy-three billion, one hundred forty-six million, three hundred forty-eight thousand, seven hundred sixty-three".