20122094 has 4 divisors (see below), whose sum is σ = 30183144. Its totient is φ = 10061046.

The previous prime is 20122093. The next prime is 20122133. The reversal of 20122094 is 49022102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49022102 = 2 ⋅24511051.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122093) 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 as a sum of consecutive naturals, namely, 5030522 + ... + 5030525.

It is an arithmetic number, because the mean of its divisors is an integer number (7545786).

Almost surely, 2^20122094 is an apocalyptic number.

20122094 is a deficient number, since it is larger than the sum of its proper divisors (10061050).

20122094 is a wasteful number, since it uses less digits than its factorization.

20122094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061049.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20122094 is about 4485.7657094414. The cubic root of 20122094 is about 271.9929983059.

Adding to 20122094 its reverse (49022102), we get a palindrome (69144196).

The spelling of 20122094 in words is "twenty million, one hundred twenty-two thousand, ninety-four".