20427882748 has 48 divisors (see below), whose sum is σ = 44083376064. Its totient is φ = 8065774080.

The previous prime is 20427882719. The next prime is 20427882767. The reversal of 20427882748 is 84728872402.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 20427882695 and 20427882704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135786 + ... + 243502.

It is an arithmetic number, because the mean of its divisors is an integer number (918403668).

Almost surely, 2^20427882748 is an apocalyptic number.

20427882748 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 20427882748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22041688032).

20427882748 is an abundant number, since it is smaller than the sum of its proper divisors (23655493316).

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

20427882748 is a wasteful number, since it uses less digits than its factorization.

20427882748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108262 (or 108260 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 52.

The spelling of 20427882748 in words is "twenty billion, four hundred twenty-seven million, eight hundred eighty-two thousand, seven hundred forty-eight".