20238122 has 16 divisors (see below), whose sum is σ = 31305120. Its totient is φ = 9806832.

The previous prime is 20238089. The next prime is 20238131. The reversal of 20238122 is 22183202.

It is a junction number, because it is equal to n+sod(n) for n = 20238094 and 20238103.

It is an unprimeable number.

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, 11108 + ... + 12800.

It is an arithmetic number, because the mean of its divisors is an integer number (1956570).

Almost surely, 2^20238122 is an apocalyptic number.

20238122 is a deficient number, since it is larger than the sum of its proper divisors (11066998).

20238122 is a wasteful number, since it uses less digits than its factorization.

20238122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

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

The square root of 20238122 is about 4498.6800286306. The cubic root of 20238122 is about 272.5147852708.

The spelling of 20238122 in words is "twenty million, two hundred thirty-eight thousand, one hundred twenty-two".