20519324 has 12 divisors (see below), whose sum is σ = 41038704. Its totient is φ = 8793984.

The previous prime is 20519309. The next prime is 20519333. The reversal of 20519324 is 42391502.

20519324 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20519293 and 20519302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366389 + ... + 366444.

It is an arithmetic number, because the mean of its divisors is an integer number (3419892).

Almost surely, 2^20519324 is an apocalyptic number.

It is an amenable number.

20519324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20519324 is a wasteful number, since it uses less digits than its factorization.

20519324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732844 (or 732842 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20519324 is about 4529.8260452251. The cubic root of 20519324 is about 273.7711517333.

The spelling of 20519324 in words is "twenty million, five hundred nineteen thousand, three hundred twenty-four".