203140441564 has 24 divisors (see below), whose sum is σ = 357383013120. Its totient is φ = 101031143424.

The previous prime is 203140441547. The next prime is 203140441573. The reversal of 203140441564 is 465144041302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9878277 + ... + 9898819.

It is an arithmetic number, because the mean of its divisors is an integer number (14890958880).

Almost surely, 2^203140441564 is an apocalyptic number.

It is an amenable number.

203140441564 is a deficient number, since it is larger than the sum of its proper divisors (154242571556).

203140441564 is a wasteful number, since it uses less digits than its factorization.

203140441564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33549 (or 33547 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 203140441564 its reverse (465144041302), we get a palindrome (668284482866).

The spelling of 203140441564 in words is "two hundred three billion, one hundred forty million, four hundred forty-one thousand, five hundred sixty-four".