20532230 has 32 divisors (see below), whose sum is σ = 38568960. Its totient is φ = 7860960.

The previous prime is 20532227. The next prime is 20532233. The reversal of 20532230 is 3223502.

It is an interprime number because it is at equal distance from previous prime (20532227) and next prime (20532233).

It is a junction number, because it is equal to n+sod(n) for n = 20532199 and 20532208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32861 + ... + 33479.

It is an arithmetic number, because the mean of its divisors is an integer number (1205280).

Almost surely, 2^20532230 is an apocalyptic number.

20532230 is a deficient number, since it is larger than the sum of its proper divisors (18036730).

20532230 is a wasteful number, since it uses less digits than its factorization.

20532230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 20532230 is about 4531.2503793103. The cubic root of 20532230 is about 273.8285374764.

Adding to 20532230 its reverse (3223502), we get a palindrome (23755732).

The spelling of 20532230 in words is "twenty million, five hundred thirty-two thousand, two hundred thirty".