20134402210 has 16 divisors (see below), whose sum is σ = 39029764536. Its totient is φ = 7434240768.

The previous prime is 20134402157. The next prime is 20134402213. The reversal of 20134402210 is 1220443102.

It can be written as a sum of positive squares in 4 ways, for example, as 5279911569 + 14854490641 = 72663^2 + 121879^2 .

It is not an unprimeable number, because it can be changed into a prime (20134402213) 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, 77439879 + ... + 77440138.

Almost surely, 2^20134402210 is an apocalyptic number.

20134402210 is a deficient number, since it is larger than the sum of its proper divisors (18895362326).

20134402210 is a wasteful number, since it uses less digits than its factorization.

20134402210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154880037.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20134402210 its reverse (1220443102), we get a palindrome (21354845312).

The spelling of 20134402210 in words is "twenty billion, one hundred thirty-four million, four hundred two thousand, two hundred ten".