20201111020210 has 8 divisors (see below), whose sum is σ = 36361999836396. Its totient is φ = 8080444408080.

The previous prime is 20201111020151. The next prime is 20201111020229. The reversal of 20201111020210 is 1202011110202.

It can be written as a sum of positive squares in 2 ways, for example, as 19504315144161 + 696795876049 = 4416369^2 + 834743^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010055551001 + ... + 1010055551020.

Almost surely, 2^{20201111020210} is an apocalyptic number.

20201111020210 is a deficient number, since it is larger than the sum of its proper divisors (16160888816186).

20201111020210 is a wasteful number, since it uses less digits than its factorization.

20201111020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020111102028.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20201111020210 its reverse (1202011110202), we get a palindrome (21403122130412).

The spelling of 20201111020210 in words is "twenty trillion, two hundred one billion, one hundred eleven million, twenty thousand, two hundred ten".