20003624054522 has 4 divisors (see below), whose sum is σ = 30005436081786. Its totient is φ = 10001812027260.

The previous prime is 20003624054459. The next prime is 20003624054527. The reversal of 20003624054522 is 22545042630002.

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., 15124468782361 + 4879155272161 = 3889019^2 + 2208881^2 .

It is not an unprimeable number, because it can be changed into a prime (20003624054527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000906013629 + ... + 5000906013632.

Almost surely, 2^{20003624054522} is an apocalyptic number.

20003624054522 is a deficient number, since it is larger than the sum of its proper divisors (10001812027264).

20003624054522 is a wasteful number, since it uses less digits than its factorization.

20003624054522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001812027263.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 20003624054522 its reverse (22545042630002), we get a palindrome (42548666684524).

The spelling of 20003624054522 in words is "twenty trillion, three billion, six hundred twenty-four million, fifty-four thousand, five hundred twenty-two".