201320353654 has 12 divisors (see below), whose sum is σ = 351283474404. Its totient is φ = 86280151524.

The previous prime is 201320353639. The next prime is 201320353679. The reversal of 201320353654 is 456353023102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027144564 + ... + 1027144759.

It is an arithmetic number, because the mean of its divisors is an integer number (29273622867).

Almost surely, 2^201320353654 is an apocalyptic number.

201320353654 is a deficient number, since it is larger than the sum of its proper divisors (149963120750).

201320353654 is a wasteful number, since it uses less digits than its factorization.

201320353654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054289339 (or 2054289332 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 201320353654 its reverse (456353023102), we get a palindrome (657673376756).

The spelling of 201320353654 in words is "two hundred one billion, three hundred twenty million, three hundred fifty-three thousand, six hundred fifty-four".