10181820109292 has 72 divisors (see below), whose sum is σ = 20157190154640. Its totient is φ = 4492332499200.

The previous prime is 10181820109189. The next prime is 10181820109313. The reversal of 10181820109292 is 29290102818101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 591158 + ... + 4551165.

It is an arithmetic number, because the mean of its divisors is an integer number (279960974370).

Almost surely, 2^{10181820109292} is an apocalyptic number.

It is an amenable number.

10181820109292 is a deficient number, since it is larger than the sum of its proper divisors (9975370045348).

10181820109292 is a wasteful number, since it uses less digits than its factorization.

10181820109292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142483 (or 5142468 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 44.

The spelling of 10181820109292 in words is "ten trillion, one hundred eighty-one billion, eight hundred twenty million, one hundred nine thousand, two hundred ninety-two".