20281218202 has 8 divisors (see below), whose sum is σ = 34767802656. Its totient is φ = 8691950652.

The previous prime is 20281218197. The next prime is 20281218239.

20281218202 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×20281218202² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724329208 + ... + 724329235.

It is an arithmetic number, because the mean of its divisors is an integer number (4345975332).

Almost surely, 2^20281218202 is an apocalyptic number.

20281218202 is a deficient number, since it is larger than the sum of its proper divisors (14486584454).

20281218202 is a wasteful number, since it uses less digits than its factorization.

20281218202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448658452.

The product of its (nonzero) digits is 2048, while the sum is 28.

The spelling of 20281218202 in words is "twenty billion, two hundred eighty-one million, two hundred eighteen thousand, two hundred two".