20212020202011 has 8 divisors (see below), whose sum is σ = 29399302112064. Its totient is φ = 12249709213320.

The previous prime is 20212020202009. The next prime is 20212020202043. The reversal of 20212020202011 is 11020202021202.

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

It is not a de Polignac number, because 20212020202011 - 2¹ = 20212020202009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20212020202091) 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, 306242730301 + ... + 306242730366.

It is an arithmetic number, because the mean of its divisors is an integer number (3674912764008).

Almost surely, 2^{20212020202011} is an apocalyptic number.

20212020202011 is a deficient number, since it is larger than the sum of its proper divisors (9187281910053).

20212020202011 is a wasteful number, since it uses less digits than its factorization.

20212020202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612485460681.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20212020202011 its reverse (11020202021202), we get a palindrome (31232222223213).

The spelling of 20212020202011 in words is "twenty trillion, two hundred twelve billion, twenty million, two hundred two thousand, eleven".