20003630274406 has 4 divisors (see below), whose sum is σ = 30005445411612. Its totient is φ = 10001815137202.

The previous prime is 20003630274401. The next prime is 20003630274427. The reversal of 20003630274406 is 60447203630002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003630274401) by changing a digit.

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, 5000907568600 + ... + 5000907568603.

It is an arithmetic number, because the mean of its divisors is an integer number (7501361352903).

Almost surely, 2^{20003630274406} is an apocalyptic number.

20003630274406 is a deficient number, since it is larger than the sum of its proper divisors (10001815137206).

20003630274406 is a wasteful number, since it uses less digits than its factorization.

20003630274406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001815137205.

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 20003630274406 in words is "twenty trillion, three billion, six hundred thirty million, two hundred seventy-four thousand, four hundred six".