20134212 has 48 divisors (see below), whose sum is σ = 53945472. Its totient is φ = 5725440.

The previous prime is 20134211. The next prime is 20134241. The reversal of 20134212 is 21243102.

It is a junction number, because it is equal to n+sod(n) for n = 20134191 and 20134200.

It is not an unprimeable number, because it can be changed into a prime (20134211) 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 15 ways as a sum of consecutive naturals, for example, 23178 + ... + 24030.

It is an arithmetic number, because the mean of its divisors is an integer number (1123864).

Almost surely, 2^20134212 is an apocalyptic number.

It is an amenable number.

20134212 is an abundant number, since it is smaller than the sum of its proper divisors (33811260).

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

20134212 is a wasteful number, since it uses less digits than its factorization.

20134212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20134212 is about 4487.1162231438. The cubic root of 20134212 is about 272.0475875505.

Adding to 20134212 its reverse (21243102), we get a palindrome (41377314).

The spelling of 20134212 in words is "twenty million, one hundred thirty-four thousand, two hundred twelve".