20950326 has 40 divisors (see below), whose sum is σ = 47567520. Its totient is φ = 6890832.

The previous prime is 20950289. The next prime is 20950337. The reversal of 20950326 is 62305902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 20950326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11980 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (1189188).

Almost surely, 2^20950326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20950326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23783760).

20950326 is an abundant number, since it is smaller than the sum of its proper divisors (26617194).

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

20950326 is a wasteful number, since it uses less digits than its factorization.

20950326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 20950326 is about 4577.1526083363. The cubic root of 20950326 is about 275.6747112891.

The spelling of 20950326 in words is "twenty million, nine hundred fifty thousand, three hundred twenty-six".