20034435 has 16 divisors (see below), whose sum is σ = 32186016. Its totient is φ = 10641408.

The previous prime is 20034433. The next prime is 20034451. The reversal of 20034435 is 53443002.

It is a happy number.

It is not a de Polignac number, because 20034435 - 2¹ = 20034433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20034433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257 + ... + 6453.

It is an arithmetic number, because the mean of its divisors is an integer number (2011626).

Almost surely, 2^20034435 is an apocalyptic number.

20034435 is a deficient number, since it is larger than the sum of its proper divisors (12151581).

20034435 is a wasteful number, since it uses less digits than its factorization.

20034435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 20034435 is about 4475.9842493020. The cubic root of 20034435 is about 271.5974572884.

Adding to 20034435 its reverse (53443002), we get a palindrome (73477437).

The spelling of 20034435 in words is "twenty million, thirty-four thousand, four hundred thirty-five".