20220342 has 16 divisors (see below), whose sum is σ = 40834560. Its totient is φ = 6674472.

The previous prime is 20220331. The next prime is 20220349. The reversal of 20220342 is 24302202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220349) 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, 15742 + ... + 16977.

It is an arithmetic number, because the mean of its divisors is an integer number (2552160).

Almost surely, 2^20220342 is an apocalyptic number.

20220342 is an abundant number, since it is smaller than the sum of its proper divisors (20614218).

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

20220342 is a wasteful number, since it uses less digits than its factorization.

20220342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32827.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20220342 is about 4496.7034592021. The cubic root of 20220342 is about 272.4349568409.

Adding to 20220342 its reverse (24302202), we get a palindrome (44522544).

The spelling of 20220342 in words is "twenty million, two hundred twenty thousand, three hundred forty-two".