20310122516304 has 20 divisors (see below), whose sum is σ = 52467816500576. Its totient is φ = 6770040838752.

The previous prime is 20310122516287. The next prime is 20310122516317. The reversal of 20310122516304 is 40361522101302.

It is a congruent number.

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, 211563776164 + ... + 211563776259.

Almost surely, 2^{20310122516304} is an apocalyptic number.

20310122516304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20310122516304 is an abundant number, since it is smaller than the sum of its proper divisors (32157693984272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310122516304 is a wasteful number, since it uses less digits than its factorization.

20310122516304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423127552434 (or 423127552428 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 20310122516304 its reverse (40361522101302), we get a palindrome (60671644617606).

The spelling of 20310122516304 in words is "twenty trillion, three hundred ten billion, one hundred twenty-two million, five hundred sixteen thousand, three hundred four".