20588328293 has 16 divisors (see below), whose sum is σ = 22370354160. Its totient is φ = 18835255296.

The previous prime is 20588328269. The next prime is 20588328317. The reversal of 20588328293 is 39282388502.

It is an interprime number because it is at equal distance from previous prime (20588328269) and next prime (20588328317).

It can be written as a sum of positive squares in 8 ways, for example, as 4072737124 + 16515591169 = 63818^2 + 128513^2 .

It is not a de Polignac number, because 20588328293 - 2⁸ = 20588328037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20588328203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797573 + ... + 822981.

It is an arithmetic number, because the mean of its divisors is an integer number (1398147135).

Almost surely, 2^20588328293 is an apocalyptic number.

It is an amenable number.

20588328293 is a deficient number, since it is larger than the sum of its proper divisors (1782025867).

20588328293 is a wasteful number, since it uses less digits than its factorization.

20588328293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25976.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 20588328293 in words is "twenty billion, five hundred eighty-eight million, three hundred twenty-eight thousand, two hundred ninety-three".