20003623553554 has 8 divisors (see below), whose sum is σ = 31310019475200. Its totient is φ = 9566950395156.

The previous prime is 20003623553521. The next prime is 20003623553569. The reversal of 20003623553554 is 45535532630002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20003623553554.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217430690754 + ... + 217430690845.

It is an arithmetic number, because the mean of its divisors is an integer number (3913752434400).

Almost surely, 2^{20003623553554} is an apocalyptic number.

20003623553554 is a deficient number, since it is larger than the sum of its proper divisors (11306395921646).

20003623553554 is a wasteful number, since it uses less digits than its factorization.

20003623553554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434861381624.

The product of its (nonzero) digits is 1620000, while the sum is 43.

The spelling of 20003623553554 in words is "twenty trillion, three billion, six hundred twenty-three million, five hundred fifty-three thousand, five hundred fifty-four".