20620522304004 has 96 divisors (see below), whose sum is σ = 56947732172800. Its totient is φ = 5803643726496.

The previous prime is 20620522303993. The next prime is 20620522304017. The reversal of 20620522304004 is 40040322502602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37111132 + ... + 37662675.

Almost surely, 2^{20620522304004} is an apocalyptic number.

It is an amenable number.

20620522304004 is an abundant number, since it is smaller than the sum of its proper divisors (36327209868796).

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

20620522304004 is a wasteful number, since it uses less digits than its factorization.

20620522304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74773902 (or 74773886 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20620522304004 its reverse (40040322502602), we get a palindrome (60660844806606).

The spelling of 20620522304004 in words is "twenty trillion, six hundred twenty billion, five hundred twenty-two million, three hundred four thousand, four".