20529230 has 8 divisors (see below), whose sum is σ = 36952632. Its totient is φ = 8211688.

The previous prime is 20529221. The next prime is 20529259. The reversal of 20529230 is 3292502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20529196 and 20529205.

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, 1026452 + ... + 1026471.

It is an arithmetic number, because the mean of its divisors is an integer number (4619079).

Almost surely, 2^20529230 is an apocalyptic number.

20529230 is a deficient number, since it is larger than the sum of its proper divisors (16423402).

20529230 is a wasteful number, since it uses less digits than its factorization.

20529230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052930.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20529230 is about 4530.9193327624. The cubic root of 20529230 is about 273.8152003048.

The spelling of 20529230 in words is "twenty million, five hundred twenty-nine thousand, two hundred thirty".