20822030 has 16 divisors (see below), whose sum is σ = 37955520. Its totient is φ = 8223072.

The previous prime is 20822017. The next prime is 20822033. The reversal of 20822030 is 3022802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20822033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12389 + ... + 13968.

It is an arithmetic number, because the mean of its divisors is an integer number (2372220).

Almost surely, 2^20822030 is an apocalyptic number.

20822030 is a deficient number, since it is larger than the sum of its proper divisors (17133490).

20822030 is a wasteful number, since it uses less digits than its factorization.

20822030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26443.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 20822030 is about 4563.1162597506. The cubic root of 20822030 is about 275.1108313595.

Adding to 20822030 its reverse (3022802), we get a palindrome (23844832).

The spelling of 20822030 in words is "twenty million, eight hundred twenty-two thousand, thirty".