20210020220011 has 16 divisors (see below), whose sum is σ = 21198463364736. Its totient is φ = 19244876006016.

The previous prime is 20210020219993. The next prime is 20210020220021. The reversal of 20210020220011 is 11002202001202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20210020220011 - 2⁵ = 20210020219979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210020219973 and 20210020220000.

It is not an unprimeable number, because it can be changed into a prime (20210020220021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69200385 + ... + 69491821.

It is an arithmetic number, because the mean of its divisors is an integer number (1324903960296).

Almost surely, 2^{20210020220011} is an apocalyptic number.

20210020220011 is a deficient number, since it is larger than the sum of its proper divisors (988443144725).

20210020220011 is a wasteful number, since it uses less digits than its factorization.

20210020220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331398.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20210020220011 its reverse (11002202001202), we get a palindrome (31212222221213).

The spelling of 20210020220011 in words is "twenty trillion, two hundred ten billion, twenty million, two hundred twenty thousand, eleven".