20115224050 has 12 divisors (see below), whose sum is σ = 37414316826. Its totient is φ = 8046089600.

The previous prime is 20115224039. The next prime is 20115224071. The reversal of 20115224050 is 5042251102.

It can be written as a sum of positive squares in 3 ways, for example, as 11298201849 + 8817022201 = 106293^2 + 93899^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201152191 + ... + 201152290.

Almost surely, 2^20115224050 is an apocalyptic number.

20115224050 is a deficient number, since it is larger than the sum of its proper divisors (17299092776).

20115224050 is a wasteful number, since it uses less digits than its factorization.

20115224050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402304493 (or 402304488 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 20115224050 its reverse (5042251102), we get a palindrome (25157475152).

The spelling of 20115224050 in words is "twenty billion, one hundred fifteen million, two hundred twenty-four thousand, fifty".