20123022 has 16 divisors (see below), whose sum is σ = 41996160. Its totient is φ = 6415992.

The previous prime is 20123021. The next prime is 20123029. The reversal of 20123022 is 22032102.

It is a junction number, because it is equal to n+sod(n) for n = 20122989 and 20123007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123021) 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, 72772 + ... + 73047.

It is an arithmetic number, because the mean of its divisors is an integer number (2624760).

Almost surely, 2^20123022 is an apocalyptic number.

20123022 is an abundant number, since it is smaller than the sum of its proper divisors (21873138).

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

20123022 is a wasteful number, since it uses less digits than its factorization.

20123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145847.

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

The square root of 20123022 is about 4485.8691465534. The cubic root of 20123022 is about 271.9971795411.

Adding to 20123022 its reverse (22032102), we get a palindrome (42155124).

The spelling of 20123022 in words is "twenty million, one hundred twenty-three thousand, twenty-two".