20946804500373 has 16 divisors (see below), whose sum is σ = 29143507746816. Its totient is φ = 13357324109360.

The previous prime is 20946804500329. The next prime is 20946804500423. The reversal of 20946804500373 is 37300540864902.

It is a cyclic number.

It is not a de Polignac number, because 20946804500373 - 2¹⁷ = 20946804369301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20946804507373) 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, 19705108 + ... + 20740898.

It is an arithmetic number, because the mean of its divisors is an integer number (1821469234176).

Almost surely, 2^{20946804500373} is an apocalyptic number.

20946804500373 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20946804500373 is a deficient number, since it is larger than the sum of its proper divisors (8196703246443).

20946804500373 is a wasteful number, since it uses less digits than its factorization.

20946804500373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328904.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 20946804500373 in words is "twenty trillion, nine hundred forty-six billion, eight hundred four million, five hundred thousand, three hundred seventy-three".