20503760344 has 32 divisors (see below), whose sum is σ = 39810038400. Its totient is φ = 9889839360.

The previous prime is 20503760341. The next prime is 20503760363. The reversal of 20503760344 is 44306730502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20503760341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51789 + ... + 209020.

It is an arithmetic number, because the mean of its divisors is an integer number (1244063700).

Almost surely, 2^20503760344 is an apocalyptic number.

It is an amenable number.

20503760344 is a deficient number, since it is larger than the sum of its proper divisors (19306278056).

20503760344 is a wasteful number, since it uses less digits than its factorization.

20503760344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261163 (or 261159 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 20503760344 in words is "twenty billion, five hundred three million, seven hundred sixty thousand, three hundred forty-four".