20530250319 has 8 divisors (see below), whose sum is σ = 27387246640. Its totient is φ = 13680043776.

The previous prime is 20530250297. The next prime is 20530250327. The reversal of 20530250319 is 91305203502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20530250319 - 2⁵ = 20530250287 is a prime.

It is a super-2 number, since 2×20530250319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20530250359) 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, 1690384 + ... + 1702485.

It is an arithmetic number, because the mean of its divisors is an integer number (3423405830).

Almost surely, 2^20530250319 is an apocalyptic number.

20530250319 is a deficient number, since it is larger than the sum of its proper divisors (6856996321).

20530250319 is a wasteful number, since it uses less digits than its factorization.

20530250319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394889.

The product of its (nonzero) digits is 8100, while the sum is 30.

The spelling of 20530250319 in words is "twenty billion, five hundred thirty million, two hundred fifty thousand, three hundred nineteen".