20283122 has 8 divisors (see below), whose sum is σ = 31473900. Its totient is φ = 9791824.

The previous prime is 20283121. The next prime is 20283139. The reversal of 20283122 is 22138202.

It can be written as a sum of positive squares in 2 ways, for example, as 19545241 + 737881 = 4421^2 + 859^2 .

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

It is a super-2 number, since 2×20283122² = 822810076133768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20283094 and 20283103.

It is not an unprimeable number, because it can be changed into a prime (20283121) 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, 174797 + ... + 174912.

Almost surely, 2^20283122 is an apocalyptic number.

20283122 is a deficient number, since it is larger than the sum of its proper divisors (11190778).

20283122 is a wasteful number, since it uses less digits than its factorization.

20283122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349740.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20283122 is about 4503.6787185589. The cubic root of 20283122 is about 272.7166170315.

The spelling of 20283122 in words is "twenty million, two hundred eighty-three thousand, one hundred twenty-two".