20010234 has 16 divisors (see below), whose sum is σ = 40075488. Its totient is φ = 6660912.

The previous prime is 20010223. The next prime is 20010239. The reversal of 20010234 is 43201002.

It is not an unprimeable number, because it can be changed into a prime (20010239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3604 + ... + 7280.

It is an arithmetic number, because the mean of its divisors is an integer number (2504718).

Almost surely, 2^20010234 is an apocalyptic number.

20010234 is an abundant number, since it is smaller than the sum of its proper divisors (20065254).

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

20010234 is a wasteful number, since it uses less digits than its factorization.

20010234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20010234 is about 4473.2800046498. The cubic root of 20010234 is about 271.4880526812.

Adding to 20010234 its reverse (43201002), we get a palindrome (63211236).

The spelling of 20010234 in words is "twenty million, ten thousand, two hundred thirty-four".