20351654532122 has 16 divisors (see below), whose sum is σ = 30746499125760. Its totient is φ = 10103037165648.

The previous prime is 20351654532059. The next prime is 20351654532151. The reversal of 20351654532122 is 22123545615302.

It is a self number, because there is not a number n which added to its sum of digits gives 20351654532122.

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 7 ways as a sum of consecutive naturals, for example, 53729798 + ... + 54107249.

It is an arithmetic number, because the mean of its divisors is an integer number (1921656195360).

Almost surely, 2^{20351654532122} is an apocalyptic number.

20351654532122 is a deficient number, since it is larger than the sum of its proper divisors (10394844593638).

20351654532122 is a wasteful number, since it uses less digits than its factorization.

20351654532122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107837725.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 20351654532122 in words is "twenty trillion, three hundred fifty-one billion, six hundred fifty-four million, five hundred thirty-two thousand, one hundred twenty-two".