20255611704 has 64 divisors (see below), whose sum is σ = 50895350400. Its totient is φ = 6717769344.

The previous prime is 20255611703. The next prime is 20255611723. The reversal of 20255611704 is 40711655202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20255611703) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5708859 + ... + 5712405.

It is an arithmetic number, because the mean of its divisors is an integer number (795239850).

Almost surely, 2^20255611704 is an apocalyptic number.

20255611704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20255611704 is an abundant number, since it is smaller than the sum of its proper divisors (30639738696).

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

20255611704 is a wasteful number, since it uses less digits than its factorization.

20255611704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 20255611704 in words is "twenty billion, two hundred fifty-five million, six hundred eleven thousand, seven hundred four".