20310011011 has 8 divisors (see below), whose sum is σ = 21199125024. Its totient is φ = 19421402880.

The previous prime is 20310010999. The next prime is 20310011039. The reversal of 20310011011 is 11011001302.

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

It is a cyclic number.

It is not a de Polignac number, because 20310011011 - 2⁷ = 20310010883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20310011081) 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, 43246 + ... + 206131.

It is an arithmetic number, because the mean of its divisors is an integer number (2649890628).

Almost surely, 2^20310011011 is an apocalyptic number.

20310011011 is a deficient number, since it is larger than the sum of its proper divisors (889114013).

20310011011 is a wasteful number, since it uses less digits than its factorization.

20310011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252941.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 20310011011 its reverse (11011001302), we get a palindrome (31321012313).

The spelling of 20310011011 in words is "twenty billion, three hundred ten million, eleven thousand, eleven".