202042064680 has 32 divisors (see below), whose sum is σ = 454680750600. Its totient is φ = 80801518336.

The previous prime is 202042064657. The next prime is 202042064683. The reversal of 202042064680 is 86460240202.

202042064680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 45699323076 + 156342741604 = 213774^2 + 395402^2 .

It is not an unprimeable number, because it can be changed into a prime (202042064683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263347 + ... + 688066.

Almost surely, 2^202042064680 is an apocalyptic number.

202042064680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202042064680 is an abundant number, since it is smaller than the sum of its proper divisors (252638685920).

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

202042064680 is a wasteful number, since it uses less digits than its factorization.

202042064680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956733 (or 956729 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 202042064680 in words is "two hundred two billion, forty-two million, sixty-four thousand, six hundred eighty".