20200020011 has 4 divisors (see below), whose sum is σ = 20200995672. Its totient is φ = 20199044352.

The previous prime is 20200019971. The next prime is 20200020023. The reversal of 20200020011 is 11002000202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11002000202 = 2 ⋅5501000101.

It is a cyclic number.

It is not a de Polignac number, because 20200020011 - 2⁶ = 20200019947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200020811) 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, 456086 + ... + 498411.

It is an arithmetic number, because the mean of its divisors is an integer number (5050248918).

Almost surely, 2^20200020011 is an apocalyptic number.

20200020011 is a deficient number, since it is larger than the sum of its proper divisors (975661).

20200020011 is an equidigital number, since it uses as much as digits as its factorization.

20200020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975660.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20200020011 its reverse (11002000202), we get a palindrome (31202020213).

The spelling of 20200020011 in words is "twenty billion, two hundred million, twenty thousand, eleven".