20219325 has 48 divisors (see below), whose sum is σ = 40235520. Its totient is φ = 8752320.

The previous prime is 20219281. The next prime is 20219333. The reversal of 20219325 is 52391202.

It is not a de Polignac number, because 20219325 - 2⁷ = 20219197 is a prime.

It is a super-2 number, since 2×20219325² = 817642206911250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20219295 and 20219304.

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 47 ways as a sum of consecutive naturals, for example, 8962 + ... + 10988.

It is an arithmetic number, because the mean of its divisors is an integer number (838240).

Almost surely, 2^20219325 is an apocalyptic number.

20219325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20219325 is a deficient number, since it is larger than the sum of its proper divisors (20016195).

20219325 is a wasteful number, since it uses less digits than its factorization.

20219325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2061 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 20219325 is about 4496.5903749397. The cubic root of 20219325 is about 272.4303893119.

The spelling of 20219325 in words is "twenty million, two hundred nineteen thousand, three hundred twenty-five".