20000022020011 has 4 divisors (see below), whose sum is σ = 21818205840024. Its totient is φ = 18181838200000.

The previous prime is 20000022020003. The next prime is 20000022020029. The reversal of 20000022020011 is 11002022000002.

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 20000022020011 - 2³ = 20000022020003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000022020011.

It is not an unprimeable number, because it can be changed into a prime (20000022720011) 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, 909091909990 + ... + 909091910011.

It is an arithmetic number, because the mean of its divisors is an integer number (5454551460006).

Almost surely, 2^{20000022020011} is an apocalyptic number.

20000022020011 is a deficient number, since it is larger than the sum of its proper divisors (1818183820013).

20000022020011 is a wasteful number, since it uses less digits than its factorization.

20000022020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818183820012.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20000022020011 its reverse (11002022000002), we get a palindrome (31002044020013).

The spelling of 20000022020011 in words is "twenty trillion, twenty-two million, twenty thousand, eleven".