51020202023302 has 4 divisors (see below), whose sum is σ = 76530303034956. Its totient is φ = 25510101011650.

The previous prime is 51020202023257. The next prime is 51020202023311. The reversal of 51020202023302 is 20332020202015.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×51020202023302² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755050505824 + ... + 12755050505827.

It is an arithmetic number, because the mean of its divisors is an integer number (19132575758739).

Almost surely, 2^{51020202023302} is an apocalyptic number.

51020202023302 is a deficient number, since it is larger than the sum of its proper divisors (25510101011654).

51020202023302 is a wasteful number, since it uses less digits than its factorization.

51020202023302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25510101011653.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 51020202023302 its reverse (20332020202015), we get a palindrome (71352222225317).

The spelling of 51020202023302 in words is "fifty-one trillion, twenty billion, two hundred two million, twenty-three thousand, three hundred two".