20201100021202 has 16 divisors (see below), whose sum is σ = 31619557457280. Its totient is φ = 9661259879392.

The previous prime is 20201100021173. The next prime is 20201100021209. The reversal of 20201100021202 is 20212000110202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20201100021209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261699 + ... + 6361657.

It is an arithmetic number, because the mean of its divisors is an integer number (1976222341080).

Almost surely, 2^{20201100021202} is an apocalyptic number.

20201100021202 is a deficient number, since it is larger than the sum of its proper divisors (11418457436078).

20201100021202 is a wasteful number, since it uses less digits than its factorization.

20201100021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171977.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20201100021202 its reverse (20212000110202), we get a palindrome (40413100131404).

The spelling of 20201100021202 in words is "twenty trillion, two hundred one billion, one hundred million, twenty-one thousand, two hundred two".