202516066420 has 12 divisors (see below), whose sum is σ = 425283739524. Its totient is φ = 81006426560.

The previous prime is 202516066399. The next prime is 202516066451. The reversal of 202516066420 is 24660615202.

It can be written as a sum of positive squares in 2 ways, for example, as 108844567056 + 93671499364 = 329916^2 + 306058^2 .

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, 5062901641 + ... + 5062901680.

It is an arithmetic number, because the mean of its divisors is an integer number (35440311627).

Almost surely, 2^202516066420 is an apocalyptic number.

202516066420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202516066420 is an abundant number, since it is smaller than the sum of its proper divisors (222767673104).

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

202516066420 is a wasteful number, since it uses less digits than its factorization.

202516066420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125803330 (or 10125803328 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 202516066420 in words is "two hundred two billion, five hundred sixteen million, sixty-six thousand, four hundred twenty".