20822283 has 12 divisors (see below), whose sum is σ = 30210960. Its totient is φ = 13819536.

The previous prime is 20822281. The next prime is 20822287. The reversal of 20822283 is 38222802.

It is not a de Polignac number, because 20822283 - 2¹ = 20822281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20822281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2991 + ... + 7112.

It is an arithmetic number, because the mean of its divisors is an integer number (2517580).

Almost surely, 2^20822283 is an apocalyptic number.

20822283 is a deficient number, since it is larger than the sum of its proper divisors (9388677).

20822283 is a wasteful number, since it uses less digits than its factorization.

20822283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10338 (or 10335 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 20822283 is about 4563.1439819493. The cubic root of 20822283 is about 275.1119456081. Note that the first 3 decimals are identical.

The spelling of 20822283 in words is "twenty million, eight hundred twenty-two thousand, two hundred eighty-three".