20503332244 has 24 divisors (see below), whose sum is σ = 37496285568. Its totient is φ = 9791427360.

The previous prime is 20503332233. The next prime is 20503332257. The reversal of 20503332244 is 44223330502.

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, 102312 + ... + 226879.

It is an arithmetic number, because the mean of its divisors is an integer number (1562345232).

Almost surely, 2^20503332244 is an apocalyptic number.

It is an amenable number.

20503332244 is a deficient number, since it is larger than the sum of its proper divisors (16992953324).

20503332244 is a wasteful number, since it uses less digits than its factorization.

20503332244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329895 (or 329893 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 20503332244 its reverse (44223330502), we get a palindrome (64726662746).

The spelling of 20503332244 in words is "twenty billion, five hundred three million, three hundred thirty-two thousand, two hundred forty-four".