20460122 has 4 divisors (see below), whose sum is σ = 30690186. Its totient is φ = 10230060.

The previous prime is 20460091. The next prime is 20460151. The reversal of 20460122 is 22106402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22106402 = 2 ⋅11053201.

It can be written as a sum of positive squares in only one way, i.e., 17799961 + 2660161 = 4219^2 + 1631^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20460122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115029 + ... + 5115032.

Almost surely, 2^20460122 is an apocalyptic number.

20460122 is a deficient number, since it is larger than the sum of its proper divisors (10230064).

20460122 is a wasteful number, since it uses less digits than its factorization.

20460122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10230063.

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

The square root of 20460122 is about 4523.2866369488. The cubic root of 20460122 is about 273.5076048405.

Adding to 20460122 its reverse (22106402), we get a palindrome (42566524).

The spelling of 20460122 in words is "twenty million, four hundred sixty thousand, one hundred twenty-two".