20013653426708 has 6 divisors (see below), whose sum is σ = 35023893496746. Its totient is φ = 10006826713352.

The previous prime is 20013653426647. The next prime is 20013653426731. The reversal of 20013653426708 is 80762435631002.

It can be written as a sum of positive squares in only one way, i.e., 19014937014544 + 998716412164 = 4360612^2 + 999358^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501706678335 + ... + 2501706678342.

It is an arithmetic number, because the mean of its divisors is an integer number (5837315582791).

Almost surely, 2^{20013653426708} is an apocalyptic number.

It is an amenable number.

20013653426708 is a deficient number, since it is larger than the sum of its proper divisors (15010240070038).

20013653426708 is a wasteful number, since it uses less digits than its factorization.

20013653426708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003413356681 (or 5003413356679 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 20013653426708 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, four hundred twenty-six thousand, seven hundred eight".