20080236 has 24 divisors (see below), whose sum is σ = 51113664. Its totient is φ = 6084880.

The previous prime is 20080231. The next prime is 20080243. The reversal of 20080236 is 63208002.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20080231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75930 + ... + 76193.

It is an arithmetic number, because the mean of its divisors is an integer number (2129736).

Almost surely, 2^20080236 is an apocalyptic number.

It is an amenable number.

20080236 is an abundant number, since it is smaller than the sum of its proper divisors (31033428).

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

20080236 is a wasteful number, since it uses less digits than its factorization.

20080236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152141 (or 152139 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20080236 is about 4481.0976333930. The cubic root of 20080236 is about 271.8042673438.

Adding to 20080236 its reverse (63208002), we get a palindrome (83288238).

The spelling of 20080236 in words is "twenty million, eighty thousand, two hundred thirty-six".