20624242004004 has 12 divisors (see below), whose sum is σ = 48123231342704. Its totient is φ = 6874747334664.

The previous prime is 20624242003969. The next prime is 20624242004033. The reversal of 20624242004004 is 40040024242602.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 859343416822 + ... + 859343416845.

Almost surely, 2^{20624242004004} is an apocalyptic number.

It is an amenable number.

20624242004004 is an abundant number, since it is smaller than the sum of its proper divisors (27498989338700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20624242004004 is a wasteful number, since it uses less digits than its factorization.

20624242004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718686833674 (or 1718686833672 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20624242004004 its reverse (40040024242602), we get a palindrome (60664266246606).

The spelling of 20624242004004 in words is "twenty trillion, six hundred twenty-four billion, two hundred forty-two million, four thousand, four".