20034830 has 8 divisors (see below), whose sum is σ = 36062712. Its totient is φ = 8013928.

The previous prime is 20034811. The next prime is 20034841. The reversal of 20034830 is 3843002.

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

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, 1001732 + ... + 1001751.

It is an arithmetic number, because the mean of its divisors is an integer number (4507839).

Almost surely, 2^20034830 is an apocalyptic number.

20034830 is a deficient number, since it is larger than the sum of its proper divisors (16027882).

20034830 is a wasteful number, since it uses less digits than its factorization.

20034830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003490.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20034830 is about 4476.0283734579. The cubic root of 20034830 is about 271.5992422200.

Adding to 20034830 its reverse (3843002), we get a palindrome (23877832).

The spelling of 20034830 in words is "twenty million, thirty-four thousand, eight hundred thirty".