20222757813302 has 24 divisors (see below), whose sum is σ = 33342711851736. Its totient is φ = 9192098960000.

The previous prime is 20222757813283. The next prime is 20222757813331. The reversal of 20222757813302 is 20331875722202.

Added to its reverse (20331875722202) it gives a square (40554633535504 = 6368252²).

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66264902 + ... + 66569382.

It is an arithmetic number, because the mean of its divisors is an integer number (1389279660489).

Almost surely, 2^{20222757813302} is an apocalyptic number.

20222757813302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20222757813302 is a deficient number, since it is larger than the sum of its proper divisors (13119954038434).

20222757813302 is a wasteful number, since it uses less digits than its factorization.

20222757813302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578956 (or 578945 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

Adding to 20222757813302 its reverse (20331875722202), we get a square (40554633535504 = 6368252²).

Subtracting 20222757813302 from its reverse (20331875722202), we obtain a square (109117908900 = 330330²).

The spelling of 20222757813302 in words is "twenty trillion, two hundred twenty-two billion, seven hundred fifty-seven million, eight hundred thirteen thousand, three hundred two".