20233000 has 32 divisors (see below), whose sum is σ = 47347560. Its totient is φ = 8092800.

The previous prime is 20232991. The next prime is 20233007. The reversal of 20233000 is 33202.

It can be written as a sum of positive squares in 4 ways, for example, as 6140484 + 14092516 = 2478^2 + 3754^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20233007) 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, 9117 + ... + 11116.

Almost surely, 2^20233000 is an apocalyptic number.

20233000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20233000 is an abundant number, since it is smaller than the sum of its proper divisors (27114560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20233000 is a wasteful number, since it uses less digits than its factorization.

20233000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20254 (or 20240 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 20233000 is about 4498.1107145111. The cubic root of 20233000 is about 272.4917933729.

Adding to 20233000 its reverse (33202), we get a palindrome (20266202).

The spelling of 20233000 in words is "twenty million, two hundred thirty-three thousand".