201520533162 has 32 divisors (see below), whose sum is σ = 434070499968. Its totient is φ = 62002564416.

The previous prime is 201520533139. The next prime is 201520533167. The reversal of 201520533162 is 261335025102.

It is a super-2 number, since 2×201520533162² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201520533167) 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 15 ways as a sum of consecutive naturals, for example, 1395483 + ... + 1533105.

It is an arithmetic number, because the mean of its divisors is an integer number (13564703124).

Almost surely, 2^201520533162 is an apocalyptic number.

201520533162 is an abundant number, since it is smaller than the sum of its proper divisors (232549966806).

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

201520533162 is a wasteful number, since it uses less digits than its factorization.

201520533162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156414.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 201520533162 its reverse (261335025102), we get a palindrome (462855558264).

The spelling of 201520533162 in words is "two hundred one billion, five hundred twenty million, five hundred thirty-three thousand, one hundred sixty-two".