20476758848 has 112 divisors (see below), whose sum is σ = 51624244224. Its totient is φ = 7839313920.

The previous prime is 20476758833. The next prime is 20476758901. The reversal of 20476758848 is 84885767402.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123836 + ... + 237252.

It is an arithmetic number, because the mean of its divisors is an integer number (460930752).

Almost surely, 2^20476758848 is an apocalyptic number.

20476758848 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20476758848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25812122112).

20476758848 is an abundant number, since it is smaller than the sum of its proper divisors (31147485376).

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

20476758848 is a wasteful number, since it uses less digits than its factorization.

20476758848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113480 (or 113470 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 59.

The spelling of 20476758848 in words is "twenty billion, four hundred seventy-six million, seven hundred fifty-eight thousand, eight hundred forty-eight".