20154324 has 24 divisors (see below), whose sum is σ = 47109888. Its totient is φ = 6706240.

The previous prime is 20154313. The next prime is 20154347. The reversal of 20154324 is 42345102.

It is a self number, because there is not a number n which added to its sum of digits gives 20154324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8029 + ... + 10235.

It is an arithmetic number, because the mean of its divisors is an integer number (1962912).

Almost surely, 2^20154324 is an apocalyptic number.

It is an amenable number.

20154324 is an abundant number, since it is smaller than the sum of its proper divisors (26955564).

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

20154324 is a wasteful number, since it uses less digits than its factorization.

20154324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20154324 is about 4489.3567467957. The cubic root of 20154324 is about 272.1381398948.

Adding to 20154324 its reverse (42345102), we get a palindrome (62499426).

The spelling of 20154324 in words is "twenty million, one hundred fifty-four thousand, three hundred twenty-four".