20182018202 has 4 divisors (see below), whose sum is σ = 30273027306. Its totient is φ = 10091009100.

The previous prime is 20182018201. The next prime is 20182018229. The reversal of 20182018202 is 20281028102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16374017521 + 3808000681 = 127961^2 + 61709^2 .

It is not an unprimeable number, because it can be changed into a prime (20182018201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045504549 + ... + 5045504552.

Almost surely, 2^20182018202 is an apocalyptic number.

20182018202 is a deficient number, since it is larger than the sum of its proper divisors (10091009104).

20182018202 is a wasteful number, since it uses less digits than its factorization.

20182018202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10091009103.

The product of its (nonzero) digits is 1024, while the sum is 26.

It can be divided in two parts, 201820 and 18202, that added together give a palindrome (220022).

The spelling of 20182018202 in words is "twenty billion, one hundred eighty-two million, eighteen thousand, two hundred two".