20522054515514 has 4 divisors (see below), whose sum is σ = 30783081773274. Its totient is φ = 10261027257756.

The previous prime is 20522054515441. The next prime is 20522054515583. The reversal of 20522054515514 is 41551545022502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20101171465489 + 420883050025 = 4483433^2 + 648755^2 .

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 as a sum of consecutive naturals, namely, 5130513628877 + ... + 5130513628880.

Almost surely, 2^{20522054515514} is an apocalyptic number.

20522054515514 is a deficient number, since it is larger than the sum of its proper divisors (10261027257760).

20522054515514 is a wasteful number, since it uses less digits than its factorization.

20522054515514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261027257759.

The product of its (nonzero) digits is 400000, while the sum is 41.

The spelling of 20522054515514 in words is "twenty trillion, five hundred twenty-two billion, fifty-four million, five hundred fifteen thousand, five hundred fourteen".