20233011 has 8 divisors (see below), whose sum is σ = 27239680. Its totient is φ = 13357512.

The previous prime is 20233007. The next prime is 20233019. The reversal of 20233011 is 11033202.

It is a happy number.

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

It is not a de Polignac number, because 20233011 - 2² = 20233007 is a prime.

It is a super-2 number, since 2×20233011² = 818749468252242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20233019) 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, 32431 + ... + 33048.

It is an arithmetic number, because the mean of its divisors is an integer number (3404960).

Almost surely, 2^20233011 is an apocalyptic number.

20233011 is a deficient number, since it is larger than the sum of its proper divisors (7006669).

20233011 is a wasteful number, since it uses less digits than its factorization.

20233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65585.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 20233011 is about 4498.1119372466. Note that the first 3 decimals coincide. The cubic root of 20233011 is about 272.4918427544.

Adding to 20233011 its reverse (11033202), we get a palindrome (31266213).

The spelling of 20233011 in words is "twenty million, two hundred thirty-three thousand, eleven".