20327811760 has 40 divisors (see below), whose sum is σ = 47285455680. Its totient is φ = 8127117312.

The previous prime is 20327811739. The next prime is 20327811793. The reversal of 20327811760 is 6711872302.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 103456 + ... + 226624.

It is an arithmetic number, because the mean of its divisors is an integer number (1182136392).

Almost surely, 2^20327811760 is an apocalyptic number.

20327811760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20327811760 is an abundant number, since it is smaller than the sum of its proper divisors (26957643920).

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

20327811760 is a wasteful number, since it uses less digits than its factorization.

20327811760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125245 (or 125239 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 20327811760 in words is "twenty billion, three hundred twenty-seven million, eight hundred eleven thousand, seven hundred sixty".