20507370748 has 24 divisors (see below), whose sum is σ = 36331181712. Its totient is φ = 10127107584.

The previous prime is 20507370713. The next prime is 20507370749. The reversal of 20507370748 is 84707370502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20507370749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439436 + ... + 1453612.

It is an arithmetic number, because the mean of its divisors is an integer number (1513799238).

Almost surely, 2^20507370748 is an apocalyptic number.

It is an amenable number.

20507370748 is a deficient number, since it is larger than the sum of its proper divisors (15823810964).

20507370748 is a wasteful number, since it uses less digits than its factorization.

20507370748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18621 (or 18619 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 20507370748 in words is "twenty billion, five hundred seven million, three hundred seventy thousand, seven hundred forty-eight".