20315254104 has 48 divisors (see below), whose sum is σ = 55027252800. Its totient is φ = 6770917824.

The previous prime is 20315254097. The next prime is 20315254109. The reversal of 20315254104 is 40145251302.

20315254104 is a `hidden beast` number, since 2 + 0 + 31 + 525 + 4 + 104 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315254109) 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 11 ways as a sum of consecutive naturals, for example, 922162 + ... + 943934.

It is an arithmetic number, because the mean of its divisors is an integer number (1146401100).

Almost surely, 2^20315254104 is an apocalyptic number.

20315254104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20315254104 is an abundant number, since it is smaller than the sum of its proper divisors (34711998696).

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

20315254104 is a wasteful number, since it uses less digits than its factorization.

20315254104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34744 (or 34737 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 20315254104 in words is "twenty billion, three hundred fifteen million, two hundred fifty-four thousand, one hundred four".