20001105022254 has 32 divisors (see below), whose sum is σ = 40267670830080. Its totient is φ = 6622792740000.

The previous prime is 20001105022219. The next prime is 20001105022267. The reversal of 20001105022254 is 45222050110002.

It is a super-4 number, since 4×20001105022254⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120151179 + ... + 120317529.

It is an arithmetic number, because the mean of its divisors is an integer number (1258364713440).

Almost surely, 2^{20001105022254} is an apocalyptic number.

20001105022254 is an abundant number, since it is smaller than the sum of its proper divisors (20266565807826).

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

20001105022254 is a wasteful number, since it uses less digits than its factorization.

20001105022254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299216.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 20001105022254 its reverse (45222050110002), we get a palindrome (65223155132256).

The spelling of 20001105022254 in words is "twenty trillion, one billion, one hundred five million, twenty-two thousand, two hundred fifty-four".