21470118202 has 8 divisors (see below), whose sum is σ = 34682498676. Its totient is φ = 9909285312.

The previous prime is 21470118191. The next prime is 21470118203. The reversal of 21470118202 is 20281107412.

It can be written as a sum of positive squares in 2 ways, for example, as 20505953601 + 964164601 = 143199^2 + 31051^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21470118203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412886863 + ... + 412886914.

Almost surely, 2^21470118202 is an apocalyptic number.

21470118202 is a deficient number, since it is larger than the sum of its proper divisors (13212380474).

21470118202 is a wasteful number, since it uses less digits than its factorization.

21470118202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825773792.

The product of its (nonzero) digits is 1792, while the sum is 28.

It can be divided in two parts, 214701 and 18202, that added together give a triangular number (232903 = T₆₈₂).

The spelling of 21470118202 in words is "twenty-one billion, four hundred seventy million, one hundred eighteen thousand, two hundred two".