201522580340 has 12 divisors (see below), whose sum is σ = 423197418756. Its totient is φ = 80609032128.

The previous prime is 201522580339. The next prime is 201522580349. The reversal of 201522580340 is 43085225102.

It can be written as a sum of positive squares in 2 ways, for example, as 28070321764 + 173452258576 = 167542^2 + 416476^2 .

It is a super-2 number, since 2×201522580340² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201522580297 and 201522580306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201522580349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038064489 + ... + 5038064528.

It is an arithmetic number, because the mean of its divisors is an integer number (35266451563).

Almost surely, 2^201522580340 is an apocalyptic number.

201522580340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201522580340 is an abundant number, since it is smaller than the sum of its proper divisors (221674838416).

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

201522580340 is a wasteful number, since it uses less digits than its factorization.

201522580340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076129026 (or 10076129024 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 201522580340 in words is "two hundred one billion, five hundred twenty-two million, five hundred eighty thousand, three hundred forty".