20483867250 has 768 divisors, whose sum is σ = 74573291520. Its totient is φ = 4082400000.

The previous prime is 20483867207. The next prime is 20483867251. The reversal of 20483867250 is 5276838402.

20483867250 is a `hidden beast` number, since 20 + 483 + 86 + 72 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 20483867196 and 20483867205.

It is not an unprimeable number, because it can be changed into a prime (20483867251) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 135654675 + ... + 135654825.

It is an arithmetic number, because the mean of its divisors is an integer number (97100640).

Almost surely, 2^20483867250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20483867250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37286645760).

20483867250 is an abundant number, since it is smaller than the sum of its proper divisors (54089424270).

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

20483867250 is a wasteful number, since it uses less digits than its factorization.

20483867250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 20483867250 in words is "twenty billion, four hundred eighty-three million, eight hundred sixty-seven thousand, two hundred fifty".