20122444015250 has 128 divisors (see below), whose sum is σ = 38779605446400. Its totient is φ = 7812781516800.

The previous prime is 20122444015249. The next prime is 20122444015291. The reversal of 20122444015250 is 5251044422102.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 12743788961 + ... + 12743790539.

It is an arithmetic number, because the mean of its divisors is an integer number (302965667550).

Almost surely, 2^{20122444015250} is an apocalyptic number.

20122444015250 is a deficient number, since it is larger than the sum of its proper divisors (18657161431150).

20122444015250 is a wasteful number, since it uses less digits than its factorization.

20122444015250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4035 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 20122444015250 its reverse (5251044422102), we get a palindrome (25373488437352).

The spelling of 20122444015250 in words is "twenty trillion, one hundred twenty-two billion, four hundred forty-four million, fifteen thousand, two hundred fifty".