20042030 has 16 divisors (see below), whose sum is σ = 36956304. Its totient is φ = 7821120.

The previous prime is 20041981. The next prime is 20042041. The reversal of 20042030 is 3024002.

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, 24032 + ... + 24851.

It is an arithmetic number, because the mean of its divisors is an integer number (2309769).

Almost surely, 2^20042030 is an apocalyptic number.

20042030 is a deficient number, since it is larger than the sum of its proper divisors (16914274).

20042030 is a wasteful number, since it uses less digits than its factorization.

20042030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48931.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 20042030 is about 4476.8325856570. The cubic root of 20042030 is about 271.6317735723.

Adding to 20042030 its reverse (3024002), we get a palindrome (23066032).

The spelling of 20042030 in words is "twenty million, forty-two thousand, thirty".