20330011031 has 8 divisors (see below), whose sum is σ = 22310999424. Its totient is φ = 18371156920.

The previous prime is 20330010997. The next prime is 20330011129. The reversal of 20330011031 is 13011003302.

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 20330011031 - 2¹⁰ = 20330010007 is a prime.

It is a super-2 number, since 2×20330011031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20330010997 and 20330011015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330013031) 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, 5531645 + ... + 5535318.

It is an arithmetic number, because the mean of its divisors is an integer number (2788874928).

Almost surely, 2^20330011031 is an apocalyptic number.

20330011031 is a deficient number, since it is larger than the sum of its proper divisors (1980988393).

20330011031 is a wasteful number, since it uses less digits than its factorization.

20330011031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067141.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20330011031 its reverse (13011003302), we get a palindrome (33341014333).

The spelling of 20330011031 in words is "twenty billion, three hundred thirty million, eleven thousand, thirty-one".