51220702201704 has 192 divisors, whose sum is σ = 160448628695040. Its totient is φ = 13546649128320.

The previous prime is 51220702201693. The next prime is 51220702201729. The reversal of 51220702201704 is 40710220702215.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29705004 + ... + 31381979.

It is an arithmetic number, because the mean of its divisors is an integer number (835669941120).

Almost surely, 2^{51220702201704} is an apocalyptic number.

It is an amenable number.

51220702201704 is an abundant number, since it is smaller than the sum of its proper divisors (109227926493336).

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

51220702201704 is a wasteful number, since it uses less digits than its factorization.

51220702201704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61087060 (or 61087049 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

Adding to 51220702201704 its reverse (40710220702215), we get a palindrome (91930922903919).

The spelling of 51220702201704 in words is "fifty-one trillion, two hundred twenty billion, seven hundred two million, two hundred one thousand, seven hundred four".