20243122 has 4 divisors (see below), whose sum is σ = 30364686. Its totient is φ = 10121560.

The previous prime is 20243117. The next prime is 20243137. The reversal of 20243122 is 22134202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15752961 + 4490161 = 3969^2 + 2119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20243096 and 20243105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060779 + ... + 5060782.

Almost surely, 2^20243122 is an apocalyptic number.

20243122 is a deficient number, since it is larger than the sum of its proper divisors (10121564).

20243122 is a wasteful number, since it uses less digits than its factorization.

20243122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10121563.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20243122 is about 4499.2357128739. The cubic root of 20243122 is about 272.5372257872.

Adding to 20243122 its reverse (22134202), we get a palindrome (42377324).

The spelling of 20243122 in words is "twenty million, two hundred forty-three thousand, one hundred twenty-two".