20355103262626 has 48 divisors (see below), whose sum is σ = 34131609822240. Its totient is φ = 9094941627200.

The previous prime is 20355103262603. The next prime is 20355103262651. The reversal of 20355103262626 is 62626230155302.

It is a happy 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 in 23 ways as a sum of consecutive naturals, for example, 308186166 + ... + 308252206.

It is an arithmetic number, because the mean of its divisors is an integer number (711075204630).

Almost surely, 2^{20355103262626} is an apocalyptic number.

20355103262626 is a deficient number, since it is larger than the sum of its proper divisors (13776506559614).

20355103262626 is a wasteful number, since it uses less digits than its factorization.

20355103262626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87711 (or 87700 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 20355103262626 in words is "twenty trillion, three hundred fifty-five billion, one hundred three million, two hundred sixty-two thousand, six hundred twenty-six".