20319282 has 16 divisors (see below), whose sum is σ = 45154080. Its totient is φ = 6773076.

The previous prime is 20319259. The next prime is 20319307. The reversal of 20319282 is 28291302.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188088 + ... + 188195.

It is an arithmetic number, because the mean of its divisors is an integer number (2822130).

Almost surely, 2^20319282 is an apocalyptic number.

20319282 is an abundant number, since it is smaller than the sum of its proper divisors (24834798).

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

20319282 is a wasteful number, since it uses less digits than its factorization.

20319282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376294 (or 376288 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20319282 is about 4507.6914268836. The cubic root of 20319282 is about 272.8785838541.

The spelling of 20319282 in words is "twenty million, three hundred nineteen thousand, two hundred eighty-two".