202019542608 has 80 divisors (see below), whose sum is σ = 563403592640. Its totient is φ = 62007800832.

The previous prime is 202019542607. The next prime is 202019542631. The reversal of 202019542608 is 806245910202.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202019542601) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 140566 + ... + 650997.

It is an arithmetic number, because the mean of its divisors is an integer number (7042544908).

Almost surely, 2^202019542608 is an apocalyptic number.

It is an amenable number.

202019542608 is an abundant number, since it is smaller than the sum of its proper divisors (361384050032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202019542608 is a wasteful number, since it uses less digits than its factorization.

202019542608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791996 (or 791990 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 202019542608 in words is "two hundred two billion, nineteen million, five hundred forty-two thousand, six hundred eight".