20510322254252 has 6 divisors (see below), whose sum is σ = 35893063944948. Its totient is φ = 10255161127124.

The previous prime is 20510322254209. The next prime is 20510322254269. The reversal of 20510322254252 is 25245222301502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563790281778 + ... + 2563790281785.

It is an arithmetic number, because the mean of its divisors is an integer number (5982177324158).

Almost surely, 2^{20510322254252} is an apocalyptic number.

It is an amenable number.

20510322254252 is a deficient number, since it is larger than the sum of its proper divisors (15382741690696).

20510322254252 is a wasteful number, since it uses less digits than its factorization.

20510322254252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127580563567 (or 5127580563565 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 20510322254252 its reverse (25245222301502), we get a palindrome (45755544555754).

The spelling of 20510322254252 in words is "twenty trillion, five hundred ten billion, three hundred twenty-two million, two hundred fifty-four thousand, two hundred fifty-two".