20010220201011 has 8 divisors (see below), whose sum is σ = 27840306366720. Its totient is φ = 12760140417992.

The previous prime is 20010220201003. The next prime is 20010220201123. The reversal of 20010220201011 is 11010202201002.

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

It is a cyclic number.

It is not a de Polignac number, because 20010220201011 - 2³ = 20010220201003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010220201001) 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, 145001595591 + ... + 145001595728.

It is an arithmetic number, because the mean of its divisors is an integer number (3480038295840).

Almost surely, 2^{20010220201011} is an apocalyptic number.

20010220201011 is a deficient number, since it is larger than the sum of its proper divisors (7830086165709).

20010220201011 is a wasteful number, since it uses less digits than its factorization.

20010220201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290003191345.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20010220201011 its reverse (11010202201002), we get a palindrome (31020422402013).

Subtracting from 20010220201011 its reverse (11010202201002), we obtain a square (9000018000009 = 3000003²).

The spelling of 20010220201011 in words is "twenty trillion, ten billion, two hundred twenty million, two hundred one thousand, eleven".