20201001202 has 4 divisors (see below), whose sum is σ = 30301501806. Its totient is φ = 10100500600.

The previous prime is 20201001187. The next prime is 20201001203. The reversal of 20201001202 is 20210010202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20210010202 = 2 ⋅10105005101.

It can be written as a sum of positive squares in only one way, i.e., 20189852281 + 11148921 = 142091^2 + 3339^2 .

It is not an unprimeable number, because it can be changed into a prime (20201001203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050250299 + ... + 5050250302.

Almost surely, 2^20201001202 is an apocalyptic number.

20201001202 is a deficient number, since it is larger than the sum of its proper divisors (10100500604).

20201001202 is a wasteful number, since it uses less digits than its factorization.

20201001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100500603.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20201001202 its reverse (20210010202), we get a palindrome (40411011404).

The spelling of 20201001202 in words is "twenty billion, two hundred one million, one thousand, two hundred two".