20763230 has 16 divisors (see below), whose sum is σ = 37670400. Its totient is φ = 8239392.

The previous prime is 20763229. The next prime is 20763247. The reversal of 20763230 is 3236702.

It is a super-2 number, since 2×20763230² = 862223440065800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20763196 and 20763205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6905 + ... + 9444.

It is an arithmetic number, because the mean of its divisors is an integer number (2354400).

Almost surely, 2^20763230 is an apocalyptic number.

20763230 is a deficient number, since it is larger than the sum of its proper divisors (16907170).

20763230 is a wasteful number, since it uses less digits than its factorization.

20763230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16483.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 20763230 is about 4556.6687393314. The cubic root of 20763230 is about 274.8516224359.

Adding to 20763230 its reverse (3236702), we get a palindrome (23999932).

The spelling of 20763230 in words is "twenty million, seven hundred sixty-three thousand, two hundred thirty".