20341560256 has 56 divisors (see below), whose sum is σ = 43782240096. Its totient is φ = 9339002880.

The previous prime is 20341560241. The next prime is 20341560293. The reversal of 20341560256 is 65206514302.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 183396 + ... + 272611.

It is an arithmetic number, because the mean of its divisors is an integer number (781825716).

Almost surely, 2^20341560256 is an apocalyptic number.

It is an amenable number.

20341560256 is an abundant number, since it is smaller than the sum of its proper divisors (23440679840).

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

20341560256 is a wasteful number, since it uses less digits than its factorization.

20341560256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456077 (or 456067 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 20341560256 in words is "twenty billion, three hundred forty-one million, five hundred sixty thousand, two hundred fifty-six".