20313122206450 has 24 divisors (see below), whose sum is σ = 37788455973312. Its totient is φ = 8123948093520.

The previous prime is 20313122206439. The next prime is 20313122206471. The reversal of 20313122206450 is 5460222131302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32204254 + ... + 32828953.

It is an arithmetic number, because the mean of its divisors is an integer number (1574518998888).

Almost surely, 2^{20313122206450} is an apocalyptic number.

20313122206450 is a deficient number, since it is larger than the sum of its proper divisors (17475333766862).

20313122206450 is a wasteful number, since it uses less digits than its factorization.

20313122206450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65039466 (or 65039461 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20313122206450 its reverse (5460222131302), we get a palindrome (25773344337752).

The spelling of 20313122206450 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred six thousand, four hundred fifty".