20002235 has 8 divisors (see below), whose sum is σ = 26184816. Its totient is φ = 14547040.

The previous prime is 20002201. The next prime is 20002261. The reversal of 20002235 is 53220002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20002235 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181784 + ... + 181893.

It is an arithmetic number, because the mean of its divisors is an integer number (3273102).

Almost surely, 2^20002235 is an apocalyptic number.

20002235 is a deficient number, since it is larger than the sum of its proper divisors (6182581).

20002235 is a wasteful number, since it uses less digits than its factorization.

20002235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363693.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 20002235 is about 4472.3858286154. The cubic root of 20002235 is about 271.4518724885.

Adding to 20002235 its reverse (53220002), we get a palindrome (73222237).

The spelling of 20002235 in words is "twenty million, two thousand, two hundred thirty-five".