20230011 has 18 divisors (see below), whose sum is σ = 30207060. Its totient is φ = 13046040.

The previous prime is 20229991. The next prime is 20230031. The reversal of 20230011 is 11003202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20229991) and next prime (20230031).

It is not a de Polignac number, because 20230011 - 2⁹ = 20229499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20229975 and 20230002.

It is not an unprimeable number, because it can be changed into a prime (20230031) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7480 + ... + 9818.

It is an arithmetic number, because the mean of its divisors is an integer number (1678170).

Almost surely, 2^20230011 is an apocalyptic number.

20230011 is a deficient number, since it is larger than the sum of its proper divisors (9977049).

20230011 is a wasteful number, since it uses less digits than its factorization.

20230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 20230011 is about 4497.7784516359. The cubic root of 20230011 is about 272.4783744026.

Adding to 20230011 its reverse (11003202), we get a palindrome (31233213).

The spelling of 20230011 in words is "twenty million, two hundred thirty thousand, eleven".