20020234 has 32 divisors (see below), whose sum is σ = 34030080. Its totient is φ = 8769600.

The previous prime is 20020223. The next prime is 20020267. The reversal of 20020234 is 43202002.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 47344 + ... + 47764.

It is an arithmetic number, because the mean of its divisors is an integer number (1063440).

Almost surely, 2^20020234 is an apocalyptic number.

20020234 is a deficient number, since it is larger than the sum of its proper divisors (14009846).

20020234 is a wasteful number, since it uses less digits than its factorization.

20020234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20020234 is about 4474.3976130872. The cubic root of 20020234 is about 271.5332700168.

Adding to 20020234 its reverse (43202002), we get a palindrome (63222236).

The spelling of 20020234 in words is "twenty million, twenty thousand, two hundred thirty-four".