20022011011 has 4 divisors (see below), whose sum is σ = 20024553024. Its totient is φ = 20019469000.

The previous prime is 20022010997. The next prime is 20022011027. The reversal of 20022011011 is 11011022002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20022011011 - 2³³ = 11432076419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20022015011) 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, 1259155 + ... + 1274956.

It is an arithmetic number, because the mean of its divisors is an integer number (5006138256).

Almost surely, 2^20022011011 is an apocalyptic number.

20022011011 is a deficient number, since it is larger than the sum of its proper divisors (2542013).

20022011011 is an equidigital number, since it uses as much as digits as its factorization.

20022011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542012.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20022011011 its reverse (11011022002), we get a palindrome (31033033013).

The spelling of 20022011011 in words is "twenty billion, twenty-two million, eleven thousand, eleven".