20001120220202 has 16 divisors (see below), whose sum is σ = 33425469770112. Its totient is φ = 8897983849920.

The previous prime is 20001120220199. The next prime is 20001120220297. The reversal of 20001120220202 is 20202202110002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9671720543 + ... + 9671722610.

It is an arithmetic number, because the mean of its divisors is an integer number (2089091860632).

Almost surely, 2^{20001120220202} is an apocalyptic number.

20001120220202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20001120220202 is a deficient number, since it is larger than the sum of its proper divisors (13424349549910).

20001120220202 is a wasteful number, since it uses less digits than its factorization.

20001120220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19343443213.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20001120220202 its reverse (20202202110002), we get a palindrome (40203322330204).

The spelling of 20001120220202 in words is "twenty trillion, one billion, one hundred twenty million, two hundred twenty thousand, two hundred two".