202018381822 has 8 divisors (see below), whose sum is σ = 303068264472. Its totient is φ = 100995627000.

The previous prime is 202018381759. The next prime is 202018381841. The reversal of 202018381822 is 228183810202.

It is a happy number.

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

It is a super-2 number, since 2×202018381822² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 6763329 + ... + 6793132.

It is an arithmetic number, because the mean of its divisors is an integer number (37883533059).

Almost surely, 2^202018381822 is an apocalyptic number.

202018381822 is a deficient number, since it is larger than the sum of its proper divisors (101049882650).

202018381822 is a wasteful number, since it uses less digits than its factorization.

202018381822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563914.

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 202018381822 in words is "two hundred two billion, eighteen million, three hundred eighty-one thousand, eight hundred twenty-two".