20212078248 has 96 divisors (see below), whose sum is σ = 57717660000. Its totient is φ = 6372183168.

The previous prime is 20212078247. The next prime is 20212078291. The reversal of 20212078248 is 84287021202.

20212078248 is a `hidden beast` number, since 202 + 1 + 207 + 8 + 248 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20212078241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 834858 + ... + 858726.

It is an arithmetic number, because the mean of its divisors is an integer number (601225625).

Almost surely, 2^20212078248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20212078248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28858830000).

20212078248 is an abundant number, since it is smaller than the sum of its proper divisors (37505581752).

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

20212078248 is a wasteful number, since it uses less digits than its factorization.

20212078248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24519 (or 24512 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 20212078248 in words is "twenty billion, two hundred twelve million, seventy-eight thousand, two hundred forty-eight".