20201021200202 has 16 divisors (see below), whose sum is σ = 32709299696640. Its totient is φ = 9328207690032.

The previous prime is 20201021200201. The next prime is 20201021200277. The reversal of 20201021200202 is 20200212010202.

It is not an unprimeable number, because it can be changed into a prime (20201021200201) 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, 7571595818 + ... + 7571598485.

It is an arithmetic number, because the mean of its divisors is an integer number (2044331231040).

Almost surely, 2^{20201021200202} is an apocalyptic number.

20201021200202 is a deficient number, since it is larger than the sum of its proper divisors (12508278496438).

20201021200202 is a wasteful number, since it uses less digits than its factorization.

20201021200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15143194357.

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

Adding to 20201021200202 its reverse (20200212010202), we get a palindrome (40401233210404).

The spelling of 20201021200202 in words is "twenty trillion, two hundred one billion, twenty-one million, two hundred thousand, two hundred two".