20530348016 has 10 divisors (see below), whose sum is σ = 39777549312. Its totient is φ = 10265174000.

The previous prime is 20530347983. The next prime is 20530348019. The reversal of 20530348016 is 61084303502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20530348019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641573360 + ... + 641573391.

Almost surely, 2^20530348016 is an apocalyptic number.

It is an amenable number.

20530348016 is a deficient number, since it is larger than the sum of its proper divisors (19247201296).

20530348016 is a wasteful number, since it uses less digits than its factorization.

20530348016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283146759 (or 1283146753 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 20530348016 in words is "twenty billion, five hundred thirty million, three hundred forty-eight thousand, sixteen".