20236552050 has 96 divisors (see below), whose sum is σ = 58960601280. Its totient is φ = 4528454400.

The previous prime is 20236552009. The next prime is 20236552087. The reversal of 20236552050 is 5025563202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 20236551999 and 20236552017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 450265 + ... + 493164.

It is an arithmetic number, because the mean of its divisors is an integer number (614172930).

Almost surely, 2^20236552050 is an apocalyptic number.

20236552050 is an abundant number, since it is smaller than the sum of its proper divisors (38724049230).

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

20236552050 is a wasteful number, since it uses less digits than its factorization.

20236552050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943468 (or 943463 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 20236552050 in words is "twenty billion, two hundred thirty-six million, five hundred fifty-two thousand, fifty".