20030682 has 16 divisors (see below), whose sum is σ = 45784512. Its totient is φ = 5723040.

The previous prime is 20030671. The next prime is 20030683. The reversal of 20030682 is 28603002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (20030683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238419 + ... + 238502.

It is an arithmetic number, because the mean of its divisors is an integer number (2861532).

Almost surely, 2^20030682 is an apocalyptic number.

20030682 is an abundant number, since it is smaller than the sum of its proper divisors (25753830).

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

20030682 is a wasteful number, since it uses less digits than its factorization.

20030682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476933.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20030682 is about 4475.5649922663. The cubic root of 20030682 is about 271.5804970079.

Adding to 20030682 its reverse (28603002), we get a palindrome (48633684).

The spelling of 20030682 in words is "twenty million, thirty thousand, six hundred eighty-two".