201962157604 has 27 divisors (see below), whose sum is σ = 363304032147. Its totient is φ = 98235681984.

The previous prime is 201962157569. The next prime is 201962157613. The reversal of 201962157604 is 406751269102.

The square root of 201962157604 is 449402.

It is a perfect power (a square), and thus also a powerful number.

201962157604 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 130030917604 + 71931240000 = 360598^2 + 268200^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 33252712 + ... + 33258784.

Almost surely, 2^201962157604 is an apocalyptic number.

201962157604 is the 449402-nd square number.

It is an amenable number.

201962157604 is a deficient number, since it is larger than the sum of its proper divisors (161341874543).

201962157604 is an frugal number, since it uses more digits than its factorization.

201962157604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224 (or 6112 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 201962157604 in words is "two hundred one billion, nine hundred sixty-two million, one hundred fifty-seven thousand, six hundred four".