20012021220202 has 32 divisors (see below), whose sum is σ = 32789912595264. Its totient is φ = 9084445344000.

The previous prime is 20012021220199. The next prime is 20012021220277. The reversal of 20012021220202 is 20202212021002.

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, 51295858 + ... + 51684514.

It is an arithmetic number, because the mean of its divisors is an integer number (1024684768602).

Almost surely, 2^{20012021220202} is an apocalyptic number.

20012021220202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012021220202 is a deficient number, since it is larger than the sum of its proper divisors (12777891375062).

20012021220202 is a wasteful number, since it uses less digits than its factorization.

20012021220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391734.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20012021220202 its reverse (20202212021002), we get a palindrome (40214233241204).

The spelling of 20012021220202 in words is "twenty trillion, twelve billion, twenty-one million, two hundred twenty thousand, two hundred two".