20005222424576 has 28 divisors (see below), whose sum is σ = 40008002821782. Its totient is φ = 10002611208192.

The previous prime is 20005222424531. The next prime is 20005222424669. The reversal of 20005222424576 is 67542422250002.

It can be written as a sum of positive squares in only one way, i.e., 19924439142400 + 80783282176 = 4463680^2 + 284224^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221013685 + ... + 1221030068.

Almost surely, 2^{20005222424576} is an apocalyptic number.

It is an amenable number.

20005222424576 is a deficient number, since it is larger than the sum of its proper divisors (20002780397206).

20005222424576 is an frugal number, since it uses more digits than its factorization.

20005222424576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442043779 (or 2442043755 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 41.

Adding to 20005222424576 its reverse (67542422250002), we get a palindrome (87547644674578).

The spelling of 20005222424576 in words is "twenty trillion, five billion, two hundred twenty-two million, four hundred twenty-four thousand, five hundred seventy-six".