20240630 has 8 divisors (see below), whose sum is σ = 36433152. Its totient is φ = 8096248.

The previous prime is 20240611. The next prime is 20240639. The reversal of 20240630 is 3604202.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20240599 and 20240608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012022 + ... + 1012041.

It is an arithmetic number, because the mean of its divisors is an integer number (4554144).

Almost surely, 2^20240630 is an apocalyptic number.

20240630 is a deficient number, since it is larger than the sum of its proper divisors (16192522).

20240630 is a wasteful number, since it uses less digits than its factorization.

20240630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024070.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20240630 is about 4498.9587684263. The cubic root of 20240630 is about 272.5260418958.

Adding to 20240630 its reverse (3604202), we get a palindrome (23844832).

The spelling of 20240630 in words is "twenty million, two hundred forty thousand, six hundred thirty".