20246883930 has 768 divisors, whose sum is σ = 72795340800. Its totient is φ = 3930301440.

The previous prime is 20246883929. The next prime is 20246883947. The reversal of 20246883930 is 3938864202.

20246883930 is a `hidden beast` number, since 20 + 2 + 468 + 83 + 93 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 256289631 + ... + 256289709.

It is an arithmetic number, because the mean of its divisors is an integer number (94785600).

Almost surely, 2^20246883930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20246883930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36397670400).

20246883930 is an abundant number, since it is smaller than the sum of its proper divisors (52548456870).

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

20246883930 is a wasteful number, since it uses less digits than its factorization.

20246883930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 20246883930 in words is "twenty billion, two hundred forty-six million, eight hundred eighty-three thousand, nine hundred thirty".