20375322 has 32 divisors (see below), whose sum is σ = 45074880. Its totient is φ = 6088320.

The previous prime is 20375317. The next prime is 20375359. The reversal of 20375322 is 22357302.

It is a junction number, because it is equal to n+sod(n) for n = 20375292 and 20375301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2704 + ... + 6932.

It is an arithmetic number, because the mean of its divisors is an integer number (1408590).

Almost surely, 2^20375322 is an apocalyptic number.

20375322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20375322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22537440).

20375322 is an abundant number, since it is smaller than the sum of its proper divisors (24699558).

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

20375322 is a wasteful number, since it uses less digits than its factorization.

20375322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20375322 is about 4513.9031890372. The cubic root of 20375322 is about 273.1292173646.

The spelling of 20375322 in words is "twenty million, three hundred seventy-five thousand, three hundred twenty-two".