20030502 has 16 divisors (see below), whose sum is σ = 40817520. Its totient is φ = 6550752.

The previous prime is 20030497. The next prime is 20030519. The reversal of 20030502 is 20503002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31177 + ... + 31812.

It is an arithmetic number, because the mean of its divisors is an integer number (2551095).

Almost surely, 2^20030502 is an apocalyptic number.

20030502 is an abundant number, since it is smaller than the sum of its proper divisors (20787018).

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

20030502 is a wasteful number, since it uses less digits than its factorization.

20030502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63047.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 20030502 is about 4475.5448830282. The cubic root of 20030502 is about 271.5796835119.

Adding to 20030502 its reverse (20503002), we get a palindrome (40533504).

The spelling of 20030502 in words is "twenty million, thirty thousand, five hundred two".