20504122306412 has 12 divisors (see below), whose sum is σ = 35896052162376. Its totient is φ = 10248107402880.

The previous prime is 20504122306387. The next prime is 20504122306487. The reversal of 20504122306412 is 21460322140502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988425914 + ... + 988446657.

It is an arithmetic number, because the mean of its divisors is an integer number (2991337680198).

Almost surely, 2^{20504122306412} is an apocalyptic number.

It is an amenable number.

20504122306412 is a deficient number, since it is larger than the sum of its proper divisors (15391929855964).

20504122306412 is a wasteful number, since it uses less digits than its factorization.

20504122306412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976875168 (or 1976875166 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 20504122306412 its reverse (21460322140502), we get a palindrome (41964444446914).

The spelling of 20504122306412 in words is "twenty trillion, five hundred four billion, one hundred twenty-two million, three hundred six thousand, four hundred twelve".