201540533354 has 32 divisors (see below), whose sum is σ = 316144234560. Its totient is φ = 96268030848.

The previous prime is 201540533339. The next prime is 201540533357. The reversal of 201540533354 is 453335045102.

It is a happy number.

It is a super-2 number, since 2×201540533354² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201540533357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455902 + ... + 1588310.

It is an arithmetic number, because the mean of its divisors is an integer number (9879507330).

Almost surely, 2^201540533354 is an apocalyptic number.

201540533354 is a deficient number, since it is larger than the sum of its proper divisors (114603701206).

201540533354 is a wasteful number, since it uses less digits than its factorization.

201540533354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132822.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 201540533354 its reverse (453335045102), we get a palindrome (654875578456).

The spelling of 201540533354 in words is "two hundred one billion, five hundred forty million, five hundred thirty-three thousand, three hundred fifty-four".