20522324 has 12 divisors (see below), whose sum is σ = 36523200. Its totient is φ = 10087128.

The previous prime is 20522297. The next prime is 20522351. The reversal of 20522324 is 42322502.

It is an interprime number because it is at equal distance from previous prime (20522297) and next prime (20522351).

It is a junction number, because it is equal to n+sod(n) for n = 20522296 and 20522305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43244 + ... + 43715.

It is an arithmetic number, because the mean of its divisors is an integer number (3043600).

Almost surely, 2^20522324 is an apocalyptic number.

It is an amenable number.

20522324 is a deficient number, since it is larger than the sum of its proper divisors (16000876).

20522324 is a wasteful number, since it uses less digits than its factorization.

20522324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87022 (or 87020 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20522324 is about 4530.1571716663. The cubic root of 20522324 is about 273.7844931967.

Adding to 20522324 its reverse (42322502), we get a palindrome (62844826).

The spelling of 20522324 in words is "twenty million, five hundred twenty-two thousand, three hundred twenty-four".