20210020210202 has 8 divisors (see below), whose sum is σ = 30615179130612. Its totient is φ = 10004960500000.

The previous prime is 20210020210201. The next prime is 20210020210229. The reversal of 20210020210202 is 20201202001202.

It can be written as a sum of positive squares in 2 ways, for example, as 20011924893961 + 198095316241 = 4473469^2 + 445079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20210020210201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50024802299 + ... + 50024802702.

Almost surely, 2^{20210020210202} is an apocalyptic number.

20210020210202 is a deficient number, since it is larger than the sum of its proper divisors (10405158920410).

20210020210202 is a wasteful number, since it uses less digits than its factorization.

20210020210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100049605104.

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

Adding to 20210020210202 its reverse (20201202001202), we get a palindrome (40411222211404).

The spelling of 20210020210202 in words is "twenty trillion, two hundred ten billion, twenty million, two hundred ten thousand, two hundred two".