20134402 has 8 divisors (see below), whose sum is σ = 30292236. Its totient is φ = 10036992.

The previous prime is 20134391. The next prime is 20134417. The reversal of 20134402 is 20443102.

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 606841 = 4419^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14263 + ... + 15610.

Almost surely, 2^20134402 is an apocalyptic number.

20134402 is a deficient number, since it is larger than the sum of its proper divisors (10157834).

20134402 is a wasteful number, since it uses less digits than its factorization.

20134402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30212.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20134402 is about 4487.1373948209. The cubic root of 20134402 is about 272.0484432893.

Adding to 20134402 its reverse (20443102), we get a palindrome (40577504).

The spelling of 20134402 in words is "twenty million, one hundred thirty-four thousand, four hundred two".