20522665210102 has 8 divisors (see below), whose sum is σ = 33582543071112. Its totient is φ = 9328484186400.

The previous prime is 20522665210027. The next prime is 20522665210111. The reversal of 20522665210102 is 20101256622502.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 466424209299 + ... + 466424209342.

It is an arithmetic number, because the mean of its divisors is an integer number (4197817883889).

Almost surely, 2^{20522665210102} is an apocalyptic number.

20522665210102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20522665210102 is a deficient number, since it is larger than the sum of its proper divisors (13059877861010).

20522665210102 is a wasteful number, since it uses less digits than its factorization.

20522665210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932848418654.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 20522665210102 in words is "twenty trillion, five hundred twenty-two billion, six hundred sixty-five million, two hundred ten thousand, one hundred two".