20230122 has 16 divisors (see below), whose sum is σ = 44138592. Its totient is φ = 6130320.

The previous prime is 20230121. The next prime is 20230151. The reversal of 20230122 is 22103202.

It is a super-2 number, since 2×20230122² = 818515672269768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20230098 and 20230107.

It is not an unprimeable number, because it can be changed into a prime (20230121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153193 + ... + 153324.

It is an arithmetic number, because the mean of its divisors is an integer number (2758662).

Almost surely, 2^20230122 is an apocalyptic number.

20230122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20230122 is an abundant number, since it is smaller than the sum of its proper divisors (23908470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230122 is a wasteful number, since it uses less digits than its factorization.

20230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306533.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20230122 is about 4497.7907910440. The cubic root of 20230122 is about 272.4788727553.

Adding to 20230122 its reverse (22103202), we get a palindrome (42333324).

Subtracting 20230122 from its reverse (22103202), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 20230122 in words is "twenty million, two hundred thirty thousand, one hundred twenty-two".