20034402 has 8 divisors (see below), whose sum is σ = 40068816. Its totient is φ = 6678132.

The previous prime is 20034397. The next prime is 20034433. The reversal of 20034402 is 20443002.

It is a happy number.

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

20034402 is an admirable number.

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, 1669528 + ... + 1669539.

It is an arithmetic number, because the mean of its divisors is an integer number (5008602).

Almost surely, 2^20034402 is an apocalyptic number.

20034402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20034402 is a wasteful number, since it uses less digits than its factorization.

20034402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339072.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20034402 is about 4475.9805629605. The cubic root of 20034402 is about 271.5973081664.

Adding to 20034402 its reverse (20443002), we get a palindrome (40477404).

The spelling of 20034402 in words is "twenty million, thirty-four thousand, four hundred two".