20034130 has 16 divisors (see below), whose sum is σ = 36900864. Its totient is φ = 7827120.

The previous prime is 20034121. The next prime is 20034137. The reversal of 20034130 is 3143002.

It is a self number, because there is not a number n which added to its sum of digits gives 20034130.

It is not an unprimeable number, because it can be changed into a prime (20034137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22866 + ... + 23725.

It is an arithmetic number, because the mean of its divisors is an integer number (2306304).

Almost surely, 2^20034130 is an apocalyptic number.

20034130 is a deficient number, since it is larger than the sum of its proper divisors (16866734).

20034130 is a wasteful number, since it uses less digits than its factorization.

20034130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46641.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20034130 is about 4475.9501784537. The cubic root of 20034130 is about 271.5960790340.

Adding to 20034130 its reverse (3143002), we get a palindrome (23177132).

It can be divided in two parts, 20034 and 130, that added together give a square (20164 = 142²).

The spelling of 20034130 in words is "twenty million, thirty-four thousand, one hundred thirty".