20590741938 has 96 divisors (see below), whose sum is σ = 48262757760. Its totient is φ = 5817231360.

The previous prime is 20590741933. The next prime is 20590741949. The reversal of 20590741938 is 83914709502.

It is not an unprimeable number, because it can be changed into a prime (20590741933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 913083 + ... + 935361.

It is an arithmetic number, because the mean of its divisors is an integer number (502737060).

Almost surely, 2^20590741938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20590741938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24131378880).

20590741938 is an abundant number, since it is smaller than the sum of its proper divisors (27672015822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20590741938 is a wasteful number, since it uses less digits than its factorization.

20590741938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22372 (or 22355 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 20590741938 in words is "twenty billion, five hundred ninety million, seven hundred forty-one thousand, nine hundred thirty-eight".