202011947408 has 20 divisors (see below), whose sum is σ = 398032016880. Its totient is φ = 99294007584.

The previous prime is 202011947369. The next prime is 202011947483. The reversal of 202011947408 is 804749110202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106996910 + ... + 106998797.

It is an arithmetic number, because the mean of its divisors is an integer number (19901600844).

Almost surely, 2^202011947408 is an apocalyptic number.

It is an amenable number.

202011947408 is a deficient number, since it is larger than the sum of its proper divisors (196020069472).

202011947408 is a wasteful number, since it uses less digits than its factorization.

202011947408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213995774 (or 213995768 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 202011947408 in words is "two hundred two billion, eleven million, nine hundred forty-seven thousand, four hundred eight".