201120440554 has 32 divisors (see below), whose sum is σ = 333561037824. Its totient is φ = 90184160880.

The previous prime is 201120440539. The next prime is 201120440561. The reversal of 201120440554 is 455044021102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166527 + ... + 1327789.

It is an arithmetic number, because the mean of its divisors is an integer number (10423782432).

Almost surely, 2^201120440554 is an apocalyptic number.

201120440554 is a deficient number, since it is larger than the sum of its proper divisors (132440597270).

201120440554 is a wasteful number, since it uses less digits than its factorization.

201120440554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162042.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 201120440554 its reverse (455044021102), we get a palindrome (656164461656).

The spelling of 201120440554 in words is "two hundred one billion, one hundred twenty million, four hundred forty thousand, five hundred fifty-four".