20366374016 has 32 divisors (see below), whose sum is σ = 40742052780. Its totient is φ = 10140917760.

The previous prime is 20366373947. The next prime is 20366374027. The reversal of 20366374016 is 61047366302.

It can be written as a sum of positive squares in 2 ways, for example, as 19741374016 + 625000000 = 140504^2 + 25000^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299261 + ... + 360956.

Almost surely, 2^20366374016 is an apocalyptic number.

It is an amenable number.

20366374016 is an abundant number, since it is smaller than the sum of its proper divisors (20375678764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20366374016 is an equidigital number, since it uses as much as digits as its factorization.

20366374016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660472 (or 660460 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 20366374016 in words is "twenty billion, three hundred sixty-six million, three hundred seventy-four thousand, sixteen".